Home / 998,695,674.65-1,498,635,321.48-556,408,552.61

Finding the Fourth Proportional to 998,695,674.65, 1,498,635,321.48 and 556,408,552.61

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Solution

The fourth proportional to 998,695,674.65, 1,498,635,321.48 and 556,408,552.61 is: 834,942,546.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,695,674.65 : 1,498,635,321.48 = 556,408,552.61 : x
  2. Step 2: Convert to fraction form
    998,695,674.65/1,498,635,321.48 = 556,408,552.61/x
  3. Step 3: Cross multiply
    998,695,674.65x = 1,498,635,321.48 × 556,408,552.61
  4. Step 4: Simplify right side
    998,695,674.65x = 833,853,510,118,655,360
  5. Step 5: Solve for x
    x = 833,853,510,118,655,360/998,695,674.65
  6. Step 6: Final answer
    x = 834,942,546.85

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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.