Home / 521,315,026,267.94-781,550,553,604.86-162,982,551,857.71

Finding the Fourth Proportional to 521,315,026,267.94, 781,550,553,604.86 and 162,982,551,857.71

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Solution

The fourth proportional to 521,315,026,267.94, 781,550,553,604.86 and 162,982,551,857.71 is: 244,341,899,262.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,315,026,267.94 : 781,550,553,604.86 = 162,982,551,857.71 : x
  2. Step 2: Convert to fraction form
    521,315,026,267.94/781,550,553,604.86 = 162,982,551,857.71/x
  3. Step 3: Cross multiply
    521,315,026,267.94x = 781,550,553,604.86 × 162,982,551,857.71
  4. Step 4: Simplify right side
    521,315,026,267.94x = 127,379,103,632,326,052,020,224
  5. Step 5: Solve for x
    x = 127,379,103,632,326,052,020,224/521,315,026,267.94
  6. Step 6: Final answer
    x = 244,341,899,262.38

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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.