Home / 517,218,222.60-775,827,333.90-323,348,545.80

Finding the Fourth Proportional to 517,218,222.60, 775,827,333.90 and 323,348,545.80

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Solution

The fourth proportional to 517,218,222.60, 775,827,333.90 and 323,348,545.80 is: 485,022,818.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,218,222.60 : 775,827,333.90 = 323,348,545.80 : x
  2. Step 2: Convert to fraction form
    517,218,222.60/775,827,333.90 = 323,348,545.80/x
  3. Step 3: Cross multiply
    517,218,222.60x = 775,827,333.90 × 323,348,545.80
  4. Step 4: Simplify right side
    517,218,222.60x = 250,862,640,208,456,032
  5. Step 5: Solve for x
    x = 250,862,640,208,456,032/517,218,222.60
  6. Step 6: Final answer
    x = 485,022,818.70

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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.