Home / 399,480,400.38-599,220,600.57-112,266,064.38

Finding the Fourth Proportional to 399,480,400.38, 599,220,600.57 and 112,266,064.38

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Solution

The fourth proportional to 399,480,400.38, 599,220,600.57 and 112,266,064.38 is: 168,399,096.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,480,400.38 : 599,220,600.57 = 112,266,064.38 : x
  2. Step 2: Convert to fraction form
    399,480,400.38/599,220,600.57 = 112,266,064.38/x
  3. Step 3: Cross multiply
    399,480,400.38x = 599,220,600.57 × 112,266,064.38
  4. Step 4: Simplify right side
    399,480,400.38x = 67,272,138,521,413,888
  5. Step 5: Solve for x
    x = 67,272,138,521,413,888/399,480,400.38
  6. Step 6: Final answer
    x = 168,399,096.57

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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.