Home / 479,675,003.96-719,403,732.56-217,186,272.55

Finding the Fourth Proportional to 479,675,003.96, 719,403,732.56 and 217,186,272.55

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Solution

The fourth proportional to 479,675,003.96, 719,403,732.56 and 217,186,272.55 is: 325,730,158.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,675,003.96 : 719,403,732.56 = 217,186,272.55 : x
  2. Step 2: Convert to fraction form
    479,675,003.96/719,403,732.56 = 217,186,272.55/x
  3. Step 3: Cross multiply
    479,675,003.96x = 719,403,732.56 × 217,186,272.55
  4. Step 4: Simplify right side
    479,675,003.96x = 156,244,615,132,177,536
  5. Step 5: Solve for x
    x = 156,244,615,132,177,536/479,675,003.96
  6. Step 6: Final answer
    x = 325,730,158.63

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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.