Home / 517,218,222.10-775,827,333.15-323,348,545.30

Finding the Fourth Proportional to 517,218,222.10, 775,827,333.15 and 323,348,545.30

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Solution

The fourth proportional to 517,218,222.10, 775,827,333.15 and 323,348,545.30 is: 485,022,817.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,218,222.10 : 775,827,333.15 = 323,348,545.30 : x
  2. Step 2: Convert to fraction form
    517,218,222.10/775,827,333.15 = 323,348,545.30/x
  3. Step 3: Cross multiply
    517,218,222.10x = 775,827,333.15 × 323,348,545.30
  4. Step 4: Simplify right side
    517,218,222.10x = 250,862,639,578,030,976
  5. Step 5: Solve for x
    x = 250,862,639,578,030,976/517,218,222.10
  6. Step 6: Final answer
    x = 485,022,817.95

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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.