Home / 394,678,823,285.41-590,998,644,275.71-272,393,720,591.62

Finding the Fourth Proportional to 394,678,823,285.41, 590,998,644,275.71 and 272,393,720,591.62

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Solution

The fourth proportional to 394,678,823,285.41, 590,998,644,275.71 and 272,393,720,591.62 is: 407,886,894,560.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,678,823,285.41 : 590,998,644,275.71 = 272,393,720,591.62 : x
  2. Step 2: Convert to fraction form
    394,678,823,285.41/590,998,644,275.71 = 272,393,720,591.62/x
  3. Step 3: Cross multiply
    394,678,823,285.41x = 590,998,644,275.71 × 272,393,720,591.62
  4. Step 4: Simplify right side
    394,678,823,285.41x = 160,984,319,578,863,952,723,968
  5. Step 5: Solve for x
    x = 160,984,319,578,863,952,723,968/394,678,823,285.41
  6. Step 6: Final answer
    x = 407,886,894,560.97

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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.