Home / 767,123,704.45-1,058,918,591.33-502,822,719.73

Finding the Fourth Proportional to 767,123,704.45, 1,058,918,591.33 and 502,822,719.73

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Solution

The fourth proportional to 767,123,704.45, 1,058,918,591.33 and 502,822,719.73 is: 694,084,047.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,123,704.45 : 1,058,918,591.33 = 502,822,719.73 : x
  2. Step 2: Convert to fraction form
    767,123,704.45/1,058,918,591.33 = 502,822,719.73/x
  3. Step 3: Cross multiply
    767,123,704.45x = 1,058,918,591.33 × 502,822,719.73
  4. Step 4: Simplify right side
    767,123,704.45x = 532,448,326,065,211,008
  5. Step 5: Solve for x
    x = 532,448,326,065,211,008/767,123,704.45
  6. Step 6: Final answer
    x = 694,084,047.95

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.