Home / 635,346,393.09-876,506,049.70-396,777,401.29

Finding the Fourth Proportional to 635,346,393.09, 876,506,049.70 and 396,777,401.29

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Solution

The fourth proportional to 635,346,393.09, 876,506,049.70 and 396,777,401.29 is: 547,382,965.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,346,393.09 : 876,506,049.70 = 396,777,401.29 : x
  2. Step 2: Convert to fraction form
    635,346,393.09/876,506,049.70 = 396,777,401.29/x
  3. Step 3: Cross multiply
    635,346,393.09x = 876,506,049.70 × 396,777,401.29
  4. Step 4: Simplify right side
    635,346,393.09x = 347,777,792,614,929,600
  5. Step 5: Solve for x
    x = 347,777,792,614,929,600/635,346,393.09
  6. Step 6: Final answer
    x = 547,382,965.26

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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.