Home / 639,657,064-958,872,639.84-270,684,448.96

Finding the Fourth Proportional to 639,657,064, 958,872,639.84 and 270,684,448.96

Calculator

Solution

The fourth proportional to 639,657,064, 958,872,639.84 and 270,684,448.96 is: 405,767,288.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,657,064 : 958,872,639.84 = 270,684,448.96 : x
  2. Step 2: Convert to fraction form
    639,657,064/958,872,639.84 = 270,684,448.96/x
  3. Step 3: Cross multiply
    639,657,064x = 958,872,639.84 × 270,684,448.96
  4. Step 4: Simplify right side
    639,657,064x = 259,551,912,137,910,944
  5. Step 5: Solve for x
    x = 259,551,912,137,910,944/639,657,064
  6. Step 6: Final answer
    x = 405,767,288.04

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.