Home / 521,315,026,278.96-781,550,553,621.34-162,982,551,868.70

Finding the Fourth Proportional to 521,315,026,278.96, 781,550,553,621.34 and 162,982,551,868.70

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Solution

The fourth proportional to 521,315,026,278.96, 781,550,553,621.34 and 162,982,551,868.70 is: 244,341,899,278.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,315,026,278.96 : 781,550,553,621.34 = 162,982,551,868.70 : x
  2. Step 2: Convert to fraction form
    521,315,026,278.96/781,550,553,621.34 = 162,982,551,868.70/x
  3. Step 3: Cross multiply
    521,315,026,278.96x = 781,550,553,621.34 × 162,982,551,868.70
  4. Step 4: Simplify right side
    521,315,026,278.96x = 127,379,103,643,601,247,141,888
  5. Step 5: Solve for x
    x = 127,379,103,643,601,247,141,888/521,315,026,278.96
  6. Step 6: Final answer
    x = 244,341,899,278.84

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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.