Home / 521,315,025,255.76-781,550,552,084.82-162,982,550,844.58

Finding the Fourth Proportional to 521,315,025,255.76, 781,550,552,084.82 and 162,982,550,844.58

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Solution

The fourth proportional to 521,315,025,255.76, 781,550,552,084.82 and 162,982,550,844.58 is: 244,341,897,742.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,315,025,255.76 : 781,550,552,084.82 = 162,982,550,844.58 : x
  2. Step 2: Convert to fraction form
    521,315,025,255.76/781,550,552,084.82 = 162,982,550,844.58/x
  3. Step 3: Cross multiply
    521,315,025,255.76x = 781,550,552,084.82 × 162,982,550,844.58
  4. Step 4: Simplify right side
    521,315,025,255.76x = 127,379,102,592,773,727,977,472
  5. Step 5: Solve for x
    x = 127,379,102,592,773,727,977,472/521,315,025,255.76
  6. Step 6: Final answer
    x = 244,341,897,742.70

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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.