Home / 521,315,026,446.84-781,550,553,872.22-162,982,552,036.20

Finding the Fourth Proportional to 521,315,026,446.84, 781,550,553,872.22 and 162,982,552,036.20

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Solution

The fourth proportional to 521,315,026,446.84, 781,550,553,872.22 and 162,982,552,036.20 is: 244,341,899,529.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,315,026,446.84 : 781,550,553,872.22 = 162,982,552,036.20 : x
  2. Step 2: Convert to fraction form
    521,315,026,446.84/781,550,553,872.22 = 162,982,552,036.20/x
  3. Step 3: Cross multiply
    521,315,026,446.84x = 781,550,553,872.22 × 162,982,552,036.20
  4. Step 4: Simplify right side
    521,315,026,446.84x = 127,379,103,815,400,039,645,184
  5. Step 5: Solve for x
    x = 127,379,103,815,400,039,645,184/521,315,026,446.84
  6. Step 6: Final answer
    x = 244,341,899,529.71

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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.