Home / 314,670,007.20-472,005,010.80-192,226,000.80

Finding the Fourth Proportional to 314,670,007.20, 472,005,010.80 and 192,226,000.80

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Solution

The fourth proportional to 314,670,007.20, 472,005,010.80 and 192,226,000.80 is: 288,339,001.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,670,007.20 : 472,005,010.80 = 192,226,000.80 : x
  2. Step 2: Convert to fraction form
    314,670,007.20/472,005,010.80 = 192,226,000.80/x
  3. Step 3: Cross multiply
    314,670,007.20x = 472,005,010.80 × 192,226,000.80
  4. Step 4: Simplify right side
    314,670,007.20x = 90,731,635,583,644,816
  5. Step 5: Solve for x
    x = 90,731,635,583,644,816/314,670,007.20
  6. Step 6: Final answer
    x = 288,339,001.20

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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.