Cubic Meters in Large-Scale Spheres
The standard SI unit for large volume is the cubic meter (m³). One cubic meter is equivalent to a cube measuring 1m × 1m × 1m, containing exactly 1,000 liters.
Hot Air Balloon Example
A spherical hot air balloon has a diameter of 18 meters (radius = 9m). Find the volume of hot air required to inflate it:
V = 4/3 × π × 9³ = 4/3 × π × 729 = 972π ≈ 3,053.63 m³.