Home / 719,207,222.85-992,508,583.19-389,182,361.85

Finding the Fourth Proportional to 719,207,222.85, 992,508,583.19 and 389,182,361.85

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Solution

The fourth proportional to 719,207,222.85, 992,508,583.19 and 389,182,361.85 is: 537,073,074.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,207,222.85 : 992,508,583.19 = 389,182,361.85 : x
  2. Step 2: Convert to fraction form
    719,207,222.85/992,508,583.19 = 389,182,361.85/x
  3. Step 3: Cross multiply
    719,207,222.85x = 992,508,583.19 × 389,182,361.85
  4. Step 4: Simplify right side
    719,207,222.85x = 386,266,834,560,335,488
  5. Step 5: Solve for x
    x = 386,266,834,560,335,488/719,207,222.85
  6. Step 6: Final answer
    x = 537,073,074.75

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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.