Home / 864,443,823.77-1,192,932,861.94-467,966,800.50

Finding the Fourth Proportional to 864,443,823.77, 1,192,932,861.94 and 467,966,800.50

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Solution

The fourth proportional to 864,443,823.77, 1,192,932,861.94 and 467,966,800.50 is: 645,794,393.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,443,823.77 : 1,192,932,861.94 = 467,966,800.50 : x
  2. Step 2: Convert to fraction form
    864,443,823.77/1,192,932,861.94 = 467,966,800.50/x
  3. Step 3: Cross multiply
    864,443,823.77x = 1,192,932,861.94 × 467,966,800.50
  4. Step 4: Simplify right side
    864,443,823.77x = 558,252,974,612,200,128
  5. Step 5: Solve for x
    x = 558,252,974,612,200,128/864,443,823.77
  6. Step 6: Final answer
    x = 645,794,393.19

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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.