Home / 625,976,939,807.15-939,019,497,929.77-172,695,843,887.85

Finding the Fourth Proportional to 625,976,939,807.15, 939,019,497,929.77 and 172,695,843,887.85

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Solution

The fourth proportional to 625,976,939,807.15, 939,019,497,929.77 and 172,695,843,887.85 is: 259,058,687,804.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,976,939,807.15 : 939,019,497,929.77 = 172,695,843,887.85 : x
  2. Step 2: Convert to fraction form
    625,976,939,807.15/939,019,497,929.77 = 172,695,843,887.85/x
  3. Step 3: Cross multiply
    625,976,939,807.15x = 939,019,497,929.77 × 172,695,843,887.85
  4. Step 4: Simplify right side
    625,976,939,807.15x = 162,164,764,622,126,856,536,064
  5. Step 5: Solve for x
    x = 162,164,764,622,126,856,536,064/625,976,939,807.15
  6. Step 6: Final answer
    x = 259,058,687,804.20

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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.