Home / 398,784,294.80-598,176,442.20-183,793,446.80

Finding the Fourth Proportional to 398,784,294.80, 598,176,442.20 and 183,793,446.80

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Solution

The fourth proportional to 398,784,294.80, 598,176,442.20 and 183,793,446.80 is: 275,690,170.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,784,294.80 : 598,176,442.20 = 183,793,446.80 : x
  2. Step 2: Convert to fraction form
    398,784,294.80/598,176,442.20 = 183,793,446.80/x
  3. Step 3: Cross multiply
    398,784,294.80x = 598,176,442.20 × 183,793,446.80
  4. Step 4: Simplify right side
    398,784,294.80x = 109,940,910,106,498,992
  5. Step 5: Solve for x
    x = 109,940,910,106,498,992/398,784,294.80
  6. Step 6: Final answer
    x = 275,690,170.20

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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.