Home / 345,298,631.60-517,947,947.40-307,675,233.20

Finding the Fourth Proportional to 345,298,631.60, 517,947,947.40 and 307,675,233.20

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Solution

The fourth proportional to 345,298,631.60, 517,947,947.40 and 307,675,233.20 is: 461,512,849.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,298,631.60 : 517,947,947.40 = 307,675,233.20 : x
  2. Step 2: Convert to fraction form
    345,298,631.60/517,947,947.40 = 307,675,233.20/x
  3. Step 3: Cross multiply
    345,298,631.60x = 517,947,947.40 × 307,675,233.20
  4. Step 4: Simplify right side
    345,298,631.60x = 159,359,755,501,756,320
  5. Step 5: Solve for x
    x = 159,359,755,501,756,320/345,298,631.60
  6. Step 6: Final answer
    x = 461,512,849.80

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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.