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Finding the Fourth Proportional to 399,514,899, 599,272,349.94 and 112,300,563

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Solution

The fourth proportional to 399,514,899, 599,272,349.94 and 112,300,563 is: 168,450,844.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,514,899 : 599,272,349.94 = 112,300,563 : x
  2. Step 2: Convert to fraction form
    399,514,899/599,272,349.94 = 112,300,563/x
  3. Step 3: Cross multiply
    399,514,899x = 599,272,349.94 × 112,300,563
  4. Step 4: Simplify right side
    399,514,899x = 67,298,622,288,595,024
  5. Step 5: Solve for x
    x = 67,298,622,288,595,024/399,514,899
  6. Step 6: Final answer
    x = 168,450,844.90

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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.