Home / 477,131,011.70-715,696,517.55-354,687,005.30

Finding the Fourth Proportional to 477,131,011.70, 715,696,517.55 and 354,687,005.30

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Solution

The fourth proportional to 477,131,011.70, 715,696,517.55 and 354,687,005.30 is: 532,030,507.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,131,011.70 : 715,696,517.55 = 354,687,005.30 : x
  2. Step 2: Convert to fraction form
    477,131,011.70/715,696,517.55 = 354,687,005.30/x
  3. Step 3: Cross multiply
    477,131,011.70x = 715,696,517.55 × 354,687,005.30
  4. Step 4: Simplify right side
    477,131,011.70x = 253,848,254,513,448,384
  5. Step 5: Solve for x
    x = 253,848,254,513,448,384/477,131,011.70
  6. Step 6: Final answer
    x = 532,030,507.95

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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.