Home / 442,847,665.10-664,271,497.65-115,322,545.10

Finding the Fourth Proportional to 442,847,665.10, 664,271,497.65 and 115,322,545.10

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Solution

The fourth proportional to 442,847,665.10, 664,271,497.65 and 115,322,545.10 is: 172,983,817.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,847,665.10 : 664,271,497.65 = 115,322,545.10 : x
  2. Step 2: Convert to fraction form
    442,847,665.10/664,271,497.65 = 115,322,545.10/x
  3. Step 3: Cross multiply
    442,847,665.10x = 664,271,497.65 × 115,322,545.10
  4. Step 4: Simplify right side
    442,847,665.10x = 76,605,479,746,386,656
  5. Step 5: Solve for x
    x = 76,605,479,746,386,656/442,847,665.10
  6. Step 6: Final answer
    x = 172,983,817.65

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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.