Home / 635,346,388.18-876,506,043.03-396,777,396.37

Finding the Fourth Proportional to 635,346,388.18, 876,506,043.03 and 396,777,396.37

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Solution

The fourth proportional to 635,346,388.18, 876,506,043.03 and 396,777,396.37 is: 547,382,958.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,346,388.18 : 876,506,043.03 = 396,777,396.37 : x
  2. Step 2: Convert to fraction form
    635,346,388.18/876,506,043.03 = 396,777,396.37/x
  3. Step 3: Cross multiply
    635,346,388.18x = 876,506,043.03 × 396,777,396.37
  4. Step 4: Simplify right side
    635,346,388.18x = 347,777,785,656,014,592
  5. Step 5: Solve for x
    x = 347,777,785,656,014,592/635,346,388.18
  6. Step 6: Final answer
    x = 547,382,958.53

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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.