Home / 473,001,961.40-709,149,047.70-257,834,166.20

Finding the Fourth Proportional to 473,001,961.40, 709,149,047.70 and 257,834,166.20

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Solution

The fourth proportional to 473,001,961.40, 709,149,047.70 and 257,834,166.20 is: 386,558,340.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,001,961.40 : 709,149,047.70 = 257,834,166.20 : x
  2. Step 2: Convert to fraction form
    473,001,961.40/709,149,047.70 = 257,834,166.20/x
  3. Step 3: Cross multiply
    473,001,961.40x = 709,149,047.70 × 257,834,166.20
  4. Step 4: Simplify right side
    473,001,961.40x = 182,842,853,425,253,536
  5. Step 5: Solve for x
    x = 182,842,853,425,253,536/473,001,961.40
  6. Step 6: Final answer
    x = 386,558,340.87

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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.