Home / 521,315,026,277.96-781,550,553,619.84-162,982,551,867.70

Finding the Fourth Proportional to 521,315,026,277.96, 781,550,553,619.84 and 162,982,551,867.70

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Solution

The fourth proportional to 521,315,026,277.96, 781,550,553,619.84 and 162,982,551,867.70 is: 244,341,899,277.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,315,026,277.96 : 781,550,553,619.84 = 162,982,551,867.70 : x
  2. Step 2: Convert to fraction form
    521,315,026,277.96/781,550,553,619.84 = 162,982,551,867.70/x
  3. Step 3: Cross multiply
    521,315,026,277.96x = 781,550,553,619.84 × 162,982,551,867.70
  4. Step 4: Simplify right side
    521,315,026,277.96x = 127,379,103,642,575,219,720,192
  5. Step 5: Solve for x
    x = 127,379,103,642,575,219,720,192/521,315,026,277.96
  6. Step 6: Final answer
    x = 244,341,899,277.34

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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.