Home / 521,315,026,437.84-781,550,553,858.72-162,982,552,027.20

Finding the Fourth Proportional to 521,315,026,437.84, 781,550,553,858.72 and 162,982,552,027.20

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Solution

The fourth proportional to 521,315,026,437.84, 781,550,553,858.72 and 162,982,552,027.20 is: 244,341,899,516.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,315,026,437.84 : 781,550,553,858.72 = 162,982,552,027.20 : x
  2. Step 2: Convert to fraction form
    521,315,026,437.84/781,550,553,858.72 = 162,982,552,027.20/x
  3. Step 3: Cross multiply
    521,315,026,437.84x = 781,550,553,858.72 × 162,982,552,027.20
  4. Step 4: Simplify right side
    521,315,026,437.84x = 127,379,103,806,165,809,627,136
  5. Step 5: Solve for x
    x = 127,379,103,806,165,809,627,136/521,315,026,437.84
  6. Step 6: Final answer
    x = 244,341,899,516.21

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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.