Home / 864,443,845.42-1,192,932,891.78-467,966,822.14

Finding the Fourth Proportional to 864,443,845.42, 1,192,932,891.78 and 467,966,822.14

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Solution

The fourth proportional to 864,443,845.42, 1,192,932,891.78 and 467,966,822.14 is: 645,794,423.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,443,845.42 : 1,192,932,891.78 = 467,966,822.14 : x
  2. Step 2: Convert to fraction form
    864,443,845.42/1,192,932,891.78 = 467,966,822.14/x
  3. Step 3: Cross multiply
    864,443,845.42x = 1,192,932,891.78 × 467,966,822.14
  4. Step 4: Simplify right side
    864,443,845.42x = 558,253,014,392,567,104
  5. Step 5: Solve for x
    x = 558,253,014,392,567,104/864,443,845.42
  6. Step 6: Final answer
    x = 645,794,423.03

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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.