Home / 599,078,721.20-898,618,081.80-391,254,234.80

Finding the Fourth Proportional to 599,078,721.20, 898,618,081.80 and 391,254,234.80

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Solution

The fourth proportional to 599,078,721.20, 898,618,081.80 and 391,254,234.80 is: 586,881,352.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,078,721.20 : 898,618,081.80 = 391,254,234.80 : x
  2. Step 2: Convert to fraction form
    599,078,721.20/898,618,081.80 = 391,254,234.80/x
  3. Step 3: Cross multiply
    599,078,721.20x = 898,618,081.80 × 391,254,234.80
  4. Step 4: Simplify right side
    599,078,721.20x = 351,588,129,972,102,784
  5. Step 5: Solve for x
    x = 351,588,129,972,102,784/599,078,721.20
  6. Step 6: Final answer
    x = 586,881,352.20

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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.