Home / 998,911,427,474.45-1,378,498,790,127.50-542,170,005,611.65

Finding the Fourth Proportional to 998,911,427,474.45, 1,378,498,790,127.50 and 542,170,005,611.65

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Solution

The fourth proportional to 998,911,427,474.45, 1,378,498,790,127.50 and 542,170,005,611.65 is: 748,195,161,475.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,911,427,474.45 : 1,378,498,790,127.50 = 542,170,005,611.65 : x
  2. Step 2: Convert to fraction form
    998,911,427,474.45/1,378,498,790,127.50 = 542,170,005,611.65/x
  3. Step 3: Cross multiply
    998,911,427,474.45x = 1,378,498,790,127.50 × 542,170,005,611.65
  4. Step 4: Simplify right side
    998,911,427,474.45x = 747,380,696,779,079,402,127,360
  5. Step 5: Solve for x
    x = 747,380,696,779,079,402,127,360/998,911,427,474.45
  6. Step 6: Final answer
    x = 748,195,161,475.61

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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.