Home / 717,743,786.27-990,670,714.77-467,471,833.28

Finding the Fourth Proportional to 717,743,786.27, 990,670,714.77 and 467,471,833.28

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Solution

The fourth proportional to 717,743,786.27, 990,670,714.77 and 467,471,833.28 is: 645,231,159.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,743,786.27 : 990,670,714.77 = 467,471,833.28 : x
  2. Step 2: Convert to fraction form
    717,743,786.27/990,670,714.77 = 467,471,833.28/x
  3. Step 3: Cross multiply
    717,743,786.27x = 990,670,714.77 × 467,471,833.28
  4. Step 4: Simplify right side
    717,743,786.27x = 463,110,655,205,386,496
  5. Step 5: Solve for x
    x = 463,110,655,205,386,496/717,743,786.27
  6. Step 6: Final answer
    x = 645,231,159.18

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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.