Home / 615,197,147.53-922,717,883.45-195,022,569.38

Finding the Fourth Proportional to 615,197,147.53, 922,717,883.45 and 195,022,569.38

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Solution

The fourth proportional to 615,197,147.53, 922,717,883.45 and 195,022,569.38 is: 292,509,178.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,197,147.53 : 922,717,883.45 = 195,022,569.38 : x
  2. Step 2: Convert to fraction form
    615,197,147.53/922,717,883.45 = 195,022,569.38/x
  3. Step 3: Cross multiply
    615,197,147.53x = 922,717,883.45 × 195,022,569.38
  4. Step 4: Simplify right side
    615,197,147.53x = 179,950,812,443,781,920
  5. Step 5: Solve for x
    x = 179,950,812,443,781,920/615,197,147.53
  6. Step 6: Final answer
    x = 292,509,178.83

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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.