Home / 364,385,442.36-502,777,614.99-215,632,115.73

Finding the Fourth Proportional to 364,385,442.36, 502,777,614.99 and 215,632,115.73

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Solution

The fourth proportional to 364,385,442.36, 502,777,614.99 and 215,632,115.73 is: 297,528,353.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,385,442.36 : 502,777,614.99 = 215,632,115.73 : x
  2. Step 2: Convert to fraction form
    364,385,442.36/502,777,614.99 = 215,632,115.73/x
  3. Step 3: Cross multiply
    364,385,442.36x = 502,777,614.99 × 215,632,115.73
  4. Step 4: Simplify right side
    364,385,442.36x = 108,415,000,861,977,056
  5. Step 5: Solve for x
    x = 108,415,000,861,977,056/364,385,442.36
  6. Step 6: Final answer
    x = 297,528,353.93

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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.