Home / 531,904,909.70-797,857,364.55-168,399,265.70

Finding the Fourth Proportional to 531,904,909.70, 797,857,364.55 and 168,399,265.70

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Solution

The fourth proportional to 531,904,909.70, 797,857,364.55 and 168,399,265.70 is: 252,598,898.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,904,909.70 : 797,857,364.55 = 168,399,265.70 : x
  2. Step 2: Convert to fraction form
    531,904,909.70/797,857,364.55 = 168,399,265.70/x
  3. Step 3: Cross multiply
    531,904,909.70x = 797,857,364.55 × 168,399,265.70
  4. Step 4: Simplify right side
    531,904,909.70x = 134,358,594,323,557,200
  5. Step 5: Solve for x
    x = 134,358,594,323,557,200/531,904,909.70
  6. Step 6: Final answer
    x = 252,598,898.55

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Similar ratio
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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.