Home / 381,986,663.84-572,979,281.02-119,691,294.92

Finding the Fourth Proportional to 381,986,663.84, 572,979,281.02 and 119,691,294.92

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Solution

The fourth proportional to 381,986,663.84, 572,979,281.02 and 119,691,294.92 is: 179,536,718.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,986,663.84 : 572,979,281.02 = 119,691,294.92 : x
  2. Step 2: Convert to fraction form
    381,986,663.84/572,979,281.02 = 119,691,294.92/x
  3. Step 3: Cross multiply
    381,986,663.84x = 572,979,281.02 × 119,691,294.92
  4. Step 4: Simplify right side
    381,986,663.84x = 68,580,632,107,614,376
  5. Step 5: Solve for x
    x = 68,580,632,107,614,376/381,986,663.84
  6. Step 6: Final answer
    x = 179,536,718.42

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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.