Home / 998,103,467.80-1,497,255,252.90-342,968,210.20

Finding the Fourth Proportional to 998,103,467.80, 1,497,255,252.90 and 342,968,210.20

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Solution

The fourth proportional to 998,103,467.80, 1,497,255,252.90 and 342,968,210.20 is: 514,486,694.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,103,467.80 : 1,497,255,252.90 = 342,968,210.20 : x
  2. Step 2: Convert to fraction form
    998,103,467.80/1,497,255,252.90 = 342,968,210.20/x
  3. Step 3: Cross multiply
    998,103,467.80x = 1,497,255,252.90 × 342,968,210.20
  4. Step 4: Simplify right side
    998,103,467.80x = 513,510,954,299,661,376
  5. Step 5: Solve for x
    x = 513,510,954,299,661,376/998,103,467.80
  6. Step 6: Final answer
    x = 514,486,694.88

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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.