Home / 408,140,599.89-563,228,649.04-229,524,435.26

Finding the Fourth Proportional to 408,140,599.89, 563,228,649.04 and 229,524,435.26

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Solution

The fourth proportional to 408,140,599.89, 563,228,649.04 and 229,524,435.26 is: 316,740,695.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,140,599.89 : 563,228,649.04 = 229,524,435.26 : x
  2. Step 2: Convert to fraction form
    408,140,599.89/563,228,649.04 = 229,524,435.26/x
  3. Step 3: Cross multiply
    408,140,599.89x = 563,228,649.04 × 229,524,435.26
  4. Step 4: Simplify right side
    408,140,599.89x = 129,274,737,593,158,720
  5. Step 5: Solve for x
    x = 129,274,737,593,158,720/408,140,599.89
  6. Step 6: Final answer
    x = 316,740,695.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.