Home / 363,399,122.64-501,488,238.13-198,386,692.14

Finding the Fourth Proportional to 363,399,122.64, 501,488,238.13 and 198,386,692.14

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Solution

The fourth proportional to 363,399,122.64, 501,488,238.13 and 198,386,692.14 is: 273,772,242.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,399,122.64 : 501,488,238.13 = 198,386,692.14 : x
  2. Step 2: Convert to fraction form
    363,399,122.64/501,488,238.13 = 198,386,692.14/x
  3. Step 3: Cross multiply
    363,399,122.64x = 501,488,238.13 × 198,386,692.14
  4. Step 4: Simplify right side
    363,399,122.64x = 99,488,592,709,727,312
  5. Step 5: Solve for x
    x = 99,488,592,709,727,312/363,399,122.64
  6. Step 6: Final answer
    x = 273,772,242.45

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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.