Home / 515,040,640.80-772,608,200.40-169,995,026.40

Finding the Fourth Proportional to 515,040,640.80, 772,608,200.40 and 169,995,026.40

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Solution

The fourth proportional to 515,040,640.80, 772,608,200.40 and 169,995,026.40 is: 255,008,131.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,040,640.80 : 772,608,200.40 = 169,995,026.40 : x
  2. Step 2: Convert to fraction form
    515,040,640.80/772,608,200.40 = 169,995,026.40/x
  3. Step 3: Cross multiply
    515,040,640.80x = 772,608,200.40 × 169,995,026.40
  4. Step 4: Simplify right side
    515,040,640.80x = 131,339,551,423,854,496
  5. Step 5: Solve for x
    x = 131,339,551,423,854,496/515,040,640.80
  6. Step 6: Final answer
    x = 255,008,131.44

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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.