Home / 402,794,893.80-603,838,046.70-272,981,572.20

Finding the Fourth Proportional to 402,794,893.80, 603,838,046.70 and 272,981,572.20

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Solution

The fourth proportional to 402,794,893.80, 603,838,046.70 and 272,981,572.20 is: 409,232,246.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,794,893.80 : 603,838,046.70 = 272,981,572.20 : x
  2. Step 2: Convert to fraction form
    402,794,893.80/603,838,046.70 = 272,981,572.20/x
  3. Step 3: Cross multiply
    402,794,893.80x = 603,838,046.70 × 272,981,572.20
  4. Step 4: Simplify right side
    402,794,893.80x = 164,836,659,342,343,040
  5. Step 5: Solve for x
    x = 164,836,659,342,343,040/402,794,893.80
  6. Step 6: Final answer
    x = 409,232,246.68

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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.