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Finding the Fourth Proportional to 335,062,496.80, 502,640,984.40 and 105,007,592.80

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Solution

The fourth proportional to 335,062,496.80, 502,640,984.40 and 105,007,592.80 is: 157,526,193.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,062,496.80 : 502,640,984.40 = 105,007,592.80 : x
  2. Step 2: Convert to fraction form
    335,062,496.80/502,640,984.40 = 105,007,592.80/x
  3. Step 3: Cross multiply
    335,062,496.80x = 502,640,984.40 × 105,007,592.80
  4. Step 4: Simplify right side
    335,062,496.80x = 52,781,119,814,466,352
  5. Step 5: Solve for x
    x = 52,781,119,814,466,352/335,062,496.80
  6. Step 6: Final answer
    x = 157,526,193.83

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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.