Home / 864,443,817.88-1,192,932,853.82-467,966,794.61

Finding the Fourth Proportional to 864,443,817.88, 1,192,932,853.82 and 467,966,794.61

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Solution

The fourth proportional to 864,443,817.88, 1,192,932,853.82 and 467,966,794.61 is: 645,794,385.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,443,817.88 : 1,192,932,853.82 = 467,966,794.61 : x
  2. Step 2: Convert to fraction form
    864,443,817.88/1,192,932,853.82 = 467,966,794.61/x
  3. Step 3: Cross multiply
    864,443,817.88x = 1,192,932,853.82 × 467,966,794.61
  4. Step 4: Simplify right side
    864,443,817.88x = 558,252,963,787,105,088
  5. Step 5: Solve for x
    x = 558,252,963,787,105,088/864,443,817.88
  6. Step 6: Final answer
    x = 645,794,385.06

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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.