Home / 718,481,103.06-1,077,717,132.24-386,644,423.29

Finding the Fourth Proportional to 718,481,103.06, 1,077,717,132.24 and 386,644,423.29

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Solution

The fourth proportional to 718,481,103.06, 1,077,717,132.24 and 386,644,423.29 is: 579,964,201.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,481,103.06 : 1,077,717,132.24 = 386,644,423.29 : x
  2. Step 2: Convert to fraction form
    718,481,103.06/1,077,717,132.24 = 386,644,423.29/x
  3. Step 3: Cross multiply
    718,481,103.06x = 1,077,717,132.24 × 386,644,423.29
  4. Step 4: Simplify right side
    718,481,103.06x = 416,693,319,064,687,488
  5. Step 5: Solve for x
    x = 416,693,319,064,687,488/718,481,103.06
  6. Step 6: Final answer
    x = 579,964,201.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.