Home / 423,998,119-635,997,325.92-132,887,828.80

Finding the Fourth Proportional to 423,998,119, 635,997,325.92 and 132,887,828.80

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Solution

The fourth proportional to 423,998,119, 635,997,325.92 and 132,887,828.80 is: 199,331,789.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,998,119 : 635,997,325.92 = 132,887,828.80 : x
  2. Step 2: Convert to fraction form
    423,998,119/635,997,325.92 = 132,887,828.80/x
  3. Step 3: Cross multiply
    423,998,119x = 635,997,325.92 × 132,887,828.80
  4. Step 4: Simplify right side
    423,998,119x = 84,516,303,764,114,752
  5. Step 5: Solve for x
    x = 84,516,303,764,114,752/423,998,119
  6. Step 6: Final answer
    x = 199,331,789.40

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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.