Home / 819,538,010.56-1,229,309,115.36-334,863,818.56

Finding the Fourth Proportional to 819,538,010.56, 1,229,309,115.36 and 334,863,818.56

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Solution

The fourth proportional to 819,538,010.56, 1,229,309,115.36 and 334,863,818.56 is: 502,296,585.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,538,010.56 : 1,229,309,115.36 = 334,863,818.56 : x
  2. Step 2: Convert to fraction form
    819,538,010.56/1,229,309,115.36 = 334,863,818.56/x
  3. Step 3: Cross multiply
    819,538,010.56x = 1,229,309,115.36 × 334,863,818.56
  4. Step 4: Simplify right side
    819,538,010.56x = 411,651,144,560,065,088
  5. Step 5: Solve for x
    x = 411,651,144,560,065,088/819,538,010.56
  6. Step 6: Final answer
    x = 502,296,585.71

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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.