Home / 417,627,132.39-626,436,709.34-253,910,089.53

Finding the Fourth Proportional to 417,627,132.39, 626,436,709.34 and 253,910,089.53

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Solution

The fourth proportional to 417,627,132.39, 626,436,709.34 and 253,910,089.53 is: 380,862,708.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,627,132.39 : 626,436,709.34 = 253,910,089.53 : x
  2. Step 2: Convert to fraction form
    417,627,132.39/626,436,709.34 = 253,910,089.53/x
  3. Step 3: Cross multiply
    417,627,132.39x = 626,436,709.34 × 253,910,089.53
  4. Step 4: Simplify right side
    417,627,132.39x = 159,058,600,952,128,448
  5. Step 5: Solve for x
    x = 159,058,600,952,128,448/417,627,132.39
  6. Step 6: Final answer
    x = 380,862,708.90

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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.