Home / 363,491,590.72-501,619,028.32-198,475,643.20

Finding the Fourth Proportional to 363,491,590.72, 501,619,028.32 and 198,475,643.20

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Solution

The fourth proportional to 363,491,590.72, 501,619,028.32 and 198,475,643.20 is: 273,896,733.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,491,590.72 : 501,619,028.32 = 198,475,643.20 : x
  2. Step 2: Convert to fraction form
    363,491,590.72/501,619,028.32 = 198,475,643.20/x
  3. Step 3: Cross multiply
    363,491,590.72x = 501,619,028.32 × 198,475,643.20
  4. Step 4: Simplify right side
    363,491,590.72x = 99,559,159,287,171,008
  5. Step 5: Solve for x
    x = 99,559,159,287,171,008/363,491,590.72
  6. Step 6: Final answer
    x = 273,896,733.32

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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.