Home / 394,690,815.60-592,036,223.40-272,246,809.20

Finding the Fourth Proportional to 394,690,815.60, 592,036,223.40 and 272,246,809.20

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Solution

The fourth proportional to 394,690,815.60, 592,036,223.40 and 272,246,809.20 is: 408,370,213.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,690,815.60 : 592,036,223.40 = 272,246,809.20 : x
  2. Step 2: Convert to fraction form
    394,690,815.60/592,036,223.40 = 272,246,809.20/x
  3. Step 3: Cross multiply
    394,690,815.60x = 592,036,223.40 × 272,246,809.20
  4. Step 4: Simplify right side
    394,690,815.60x = 161,179,972,751,468,352
  5. Step 5: Solve for x
    x = 161,179,972,751,468,352/394,690,815.60
  6. Step 6: Final answer
    x = 408,370,213.80

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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.