Home / 399,480,398.38-599,220,597.57-112,266,062.38

Finding the Fourth Proportional to 399,480,398.38, 599,220,597.57 and 112,266,062.38

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Solution

The fourth proportional to 399,480,398.38, 599,220,597.57 and 112,266,062.38 is: 168,399,093.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,480,398.38 : 599,220,597.57 = 112,266,062.38 : x
  2. Step 2: Convert to fraction form
    399,480,398.38/599,220,597.57 = 112,266,062.38/x
  3. Step 3: Cross multiply
    399,480,398.38x = 599,220,597.57 × 112,266,062.38
  4. Step 4: Simplify right side
    399,480,398.38x = 67,272,136,982,617,072
  5. Step 5: Solve for x
    x = 67,272,136,982,617,072/399,480,398.38
  6. Step 6: Final answer
    x = 168,399,093.56

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1.5x scale

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.