Home / 998,911,427,475.95-1,378,498,790,129.60-542,170,005,613.15

Finding the Fourth Proportional to 998,911,427,475.95, 1,378,498,790,129.60 and 542,170,005,613.15

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Solution

The fourth proportional to 998,911,427,475.95, 1,378,498,790,129.60 and 542,170,005,613.15 is: 748,195,161,477.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,911,427,475.95 : 1,378,498,790,129.60 = 542,170,005,613.15 : x
  2. Step 2: Convert to fraction form
    998,911,427,475.95/1,378,498,790,129.60 = 542,170,005,613.15/x
  3. Step 3: Cross multiply
    998,911,427,475.95x = 1,378,498,790,129.60 × 542,170,005,613.15
  4. Step 4: Simplify right side
    998,911,427,475.95x = 747,380,696,782,285,863,649,280
  5. Step 5: Solve for x
    x = 747,380,696,782,285,863,649,280/998,911,427,475.95
  6. Step 6: Final answer
    x = 748,195,161,477.70

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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.