Home / 394,582,099.95-592,004,598.55-132,292,605.17

Finding the Fourth Proportional to 394,582,099.95, 592,004,598.55 and 132,292,605.17

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Solution

The fourth proportional to 394,582,099.95, 592,004,598.55 and 132,292,605.17 is: 198,482,978.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,582,099.95 : 592,004,598.55 = 132,292,605.17 : x
  2. Step 2: Convert to fraction form
    394,582,099.95/592,004,598.55 = 132,292,605.17/x
  3. Step 3: Cross multiply
    394,582,099.95x = 592,004,598.55 × 132,292,605.17
  4. Step 4: Simplify right side
    394,582,099.95x = 78,317,830,615,948,784
  5. Step 5: Solve for x
    x = 78,317,830,615,948,784/394,582,099.95
  6. Step 6: Final answer
    x = 198,482,978.89

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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.