Home / 998,911,427,470.92-1,378,498,790,122.60-542,170,005,608.16

Finding the Fourth Proportional to 998,911,427,470.92, 1,378,498,790,122.60 and 542,170,005,608.16

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Solution

The fourth proportional to 998,911,427,470.92, 1,378,498,790,122.60 and 542,170,005,608.16 is: 748,195,161,470.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,911,427,470.92 : 1,378,498,790,122.60 = 542,170,005,608.16 : x
  2. Step 2: Convert to fraction form
    998,911,427,470.92/1,378,498,790,122.60 = 542,170,005,608.16/x
  3. Step 3: Cross multiply
    998,911,427,470.92x = 1,378,498,790,122.60 × 542,170,005,608.16
  4. Step 4: Simplify right side
    998,911,427,470.92x = 747,380,696,771,611,796,176,896
  5. Step 5: Solve for x
    x = 747,380,696,771,611,796,176,896/998,911,427,470.92
  6. Step 6: Final answer
    x = 748,195,161,470.78

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Double scale
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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.