Home / 864,087,252.92-1,192,443,376.77-467,610,137.38

Finding the Fourth Proportional to 864,087,252.92, 1,192,443,376.77 and 467,610,137.38

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Solution

The fourth proportional to 864,087,252.92, 1,192,443,376.77 and 467,610,137.38 is: 645,303,595.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,087,252.92 : 1,192,443,376.77 = 467,610,137.38 : x
  2. Step 2: Convert to fraction form
    864,087,252.92/1,192,443,376.77 = 467,610,137.38/x
  3. Step 3: Cross multiply
    864,087,252.92x = 1,192,443,376.77 × 467,610,137.38
  4. Step 4: Simplify right side
    864,087,252.92x = 557,598,611,229,290,816
  5. Step 5: Solve for x
    x = 557,598,611,229,290,816/864,087,252.92
  6. Step 6: Final answer
    x = 645,303,595.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.