Home / 836,653,113.52-1,255,132,897.28-345,098,234.36

Finding the Fourth Proportional to 836,653,113.52, 1,255,132,897.28 and 345,098,234.36

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Solution

The fourth proportional to 836,653,113.52, 1,255,132,897.28 and 345,098,234.36 is: 517,710,553.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,653,113.52 : 1,255,132,897.28 = 345,098,234.36 : x
  2. Step 2: Convert to fraction form
    836,653,113.52/1,255,132,897.28 = 345,098,234.36/x
  3. Step 3: Cross multiply
    836,653,113.52x = 1,255,132,897.28 × 345,098,234.36
  4. Step 4: Simplify right side
    836,653,113.52x = 433,144,146,743,135,552
  5. Step 5: Solve for x
    x = 433,144,146,743,135,552/836,653,113.52
  6. Step 6: Final answer
    x = 517,710,553.81

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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.