Home / 356,616,008.90-534,924,013.35-299,220,380.90

Finding the Fourth Proportional to 356,616,008.90, 534,924,013.35 and 299,220,380.90

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Solution

The fourth proportional to 356,616,008.90, 534,924,013.35 and 299,220,380.90 is: 448,830,571.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,616,008.90 : 534,924,013.35 = 299,220,380.90 : x
  2. Step 2: Convert to fraction form
    356,616,008.90/534,924,013.35 = 299,220,380.90/x
  3. Step 3: Cross multiply
    356,616,008.90x = 534,924,013.35 × 299,220,380.90
  4. Step 4: Simplify right side
    356,616,008.90x = 160,060,167,027,143,680
  5. Step 5: Solve for x
    x = 160,060,167,027,143,680/356,616,008.90
  6. Step 6: Final answer
    x = 448,830,571.35

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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.