Home / 864,444,209.47-1,192,933,393.94-467,967,186.20

Finding the Fourth Proportional to 864,444,209.47, 1,192,933,393.94 and 467,967,186.20

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Solution

The fourth proportional to 864,444,209.47, 1,192,933,393.94 and 467,967,186.20 is: 645,794,925.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,444,209.47 : 1,192,933,393.94 = 467,967,186.20 : x
  2. Step 2: Convert to fraction form
    864,444,209.47/1,192,933,393.94 = 467,967,186.20/x
  3. Step 3: Cross multiply
    864,444,209.47x = 1,192,933,393.94 × 467,967,186.20
  4. Step 4: Simplify right side
    864,444,209.47x = 558,253,683,690,270,208
  5. Step 5: Solve for x
    x = 558,253,683,690,270,208/864,444,209.47
  6. Step 6: Final answer
    x = 645,794,925.31

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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.