Home / 862,386,794.57-1,293,063,045.85-395,463,287.98

Finding the Fourth Proportional to 862,386,794.57, 1,293,063,045.85 and 395,463,287.98

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Solution

The fourth proportional to 862,386,794.57, 1,293,063,045.85 and 395,463,287.98 is: 592,957,785.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,386,794.57 : 1,293,063,045.85 = 395,463,287.98 : x
  2. Step 2: Convert to fraction form
    862,386,794.57/1,293,063,045.85 = 395,463,287.98/x
  3. Step 3: Cross multiply
    862,386,794.57x = 1,293,063,045.85 × 395,463,287.98
  4. Step 4: Simplify right side
    862,386,794.57x = 511,358,963,677,274,496
  5. Step 5: Solve for x
    x = 511,358,963,677,274,496/862,386,794.57
  6. Step 6: Final answer
    x = 592,957,785.18

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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.