Home / 521,315,025,256.25-781,550,552,085.55-162,982,550,845.08

Finding the Fourth Proportional to 521,315,025,256.25, 781,550,552,085.55 and 162,982,550,845.08

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Solution

The fourth proportional to 521,315,025,256.25, 781,550,552,085.55 and 162,982,550,845.08 is: 244,341,897,743.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,315,025,256.25 : 781,550,552,085.55 = 162,982,550,845.08 : x
  2. Step 2: Convert to fraction form
    521,315,025,256.25/781,550,552,085.55 = 162,982,550,845.08/x
  3. Step 3: Cross multiply
    521,315,025,256.25x = 781,550,552,085.55 × 162,982,550,845.08
  4. Step 4: Simplify right side
    521,315,025,256.25x = 127,379,102,593,283,486,908,416
  5. Step 5: Solve for x
    x = 127,379,102,593,283,486,908,416/521,315,025,256.25
  6. Step 6: Final answer
    x = 244,341,897,743.44

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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.