Home / 372,419,716.80-514,001,748.96-215,884,741.44

Finding the Fourth Proportional to 372,419,716.80, 514,001,748.96 and 215,884,741.44

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Solution

The fourth proportional to 372,419,716.80, 514,001,748.96 and 215,884,741.44 is: 297,957,196.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,419,716.80 : 514,001,748.96 = 215,884,741.44 : x
  2. Step 2: Convert to fraction form
    372,419,716.80/514,001,748.96 = 215,884,741.44/x
  3. Step 3: Cross multiply
    372,419,716.80x = 514,001,748.96 × 215,884,741.44
  4. Step 4: Simplify right side
    372,419,716.80x = 110,965,134,673,937,376
  5. Step 5: Solve for x
    x = 110,965,134,673,937,376/372,419,716.80
  6. Step 6: Final answer
    x = 297,957,196.33

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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.