Home / 491,765,145.72-737,437,740.42-284,646,519.72

Finding the Fourth Proportional to 491,765,145.72, 737,437,740.42 and 284,646,519.72

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Solution

The fourth proportional to 491,765,145.72, 737,437,740.42 and 284,646,519.72 is: 426,848,238.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,765,145.72 : 737,437,740.42 = 284,646,519.72 : x
  2. Step 2: Convert to fraction form
    491,765,145.72/737,437,740.42 = 284,646,519.72/x
  3. Step 3: Cross multiply
    491,765,145.72x = 737,437,740.42 × 284,646,519.72
  4. Step 4: Simplify right side
    491,765,145.72x = 209,909,086,320,733,792
  5. Step 5: Solve for x
    x = 209,909,086,320,733,792/491,765,145.72
  6. Step 6: Final answer
    x = 426,848,238.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.