Home / 397,704,641.61-596,520,154.51-187,567,144.38

Finding the Fourth Proportional to 397,704,641.61, 596,520,154.51 and 187,567,144.38

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Solution

The fourth proportional to 397,704,641.61, 596,520,154.51 and 187,567,144.38 is: 281,333,357.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,704,641.61 : 596,520,154.51 = 187,567,144.38 : x
  2. Step 2: Convert to fraction form
    397,704,641.61/596,520,154.51 = 187,567,144.38/x
  3. Step 3: Cross multiply
    397,704,641.61x = 596,520,154.51 × 187,567,144.38
  4. Step 4: Simplify right side
    397,704,641.61x = 111,887,581,946,557,072
  5. Step 5: Solve for x
    x = 111,887,581,946,557,072/397,704,641.61
  6. Step 6: Final answer
    x = 281,333,357.07

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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.