Home / 752,970,587.79-1,039,124,645.01-418,457,209.26

Finding the Fourth Proportional to 752,970,587.79, 1,039,124,645.01 and 418,457,209.26

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Solution

The fourth proportional to 752,970,587.79, 1,039,124,645.01 and 418,457,209.26 is: 577,484,972.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,970,587.79 : 1,039,124,645.01 = 418,457,209.26 : x
  2. Step 2: Convert to fraction form
    752,970,587.79/1,039,124,645.01 = 418,457,209.26/x
  3. Step 3: Cross multiply
    752,970,587.79x = 1,039,124,645.01 × 418,457,209.26
  4. Step 4: Simplify right side
    752,970,587.79x = 434,829,199,024,172,800
  5. Step 5: Solve for x
    x = 434,829,199,024,172,800/752,970,587.79
  6. Step 6: Final answer
    x = 577,484,972.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.