Home / 486,327,771.58-671,131,437.56-263,309,425.88

Finding the Fourth Proportional to 486,327,771.58, 671,131,437.56 and 263,309,425.88

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Solution

The fourth proportional to 486,327,771.58, 671,131,437.56 and 263,309,425.88 is: 363,366,527.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,327,771.58 : 671,131,437.56 = 263,309,425.88 : x
  2. Step 2: Convert to fraction form
    486,327,771.58/671,131,437.56 = 263,309,425.88/x
  3. Step 3: Cross multiply
    486,327,771.58x = 671,131,437.56 × 263,309,425.88
  4. Step 4: Simplify right side
    486,327,771.58x = 176,715,233,513,942,656
  5. Step 5: Solve for x
    x = 176,715,233,513,942,656/486,327,771.58
  6. Step 6: Final answer
    x = 363,366,527.35

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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.