Home / 693,137,461.23-1,039,486,682.66-226,691,112.33

Finding the Fourth Proportional to 693,137,461.23, 1,039,486,682.66 and 226,691,112.33

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Solution

The fourth proportional to 693,137,461.23, 1,039,486,682.66 and 226,691,112.33 is: 339,964,877.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,137,461.23 : 1,039,486,682.66 = 226,691,112.33 : x
  2. Step 2: Convert to fraction form
    693,137,461.23/1,039,486,682.66 = 226,691,112.33/x
  3. Step 3: Cross multiply
    693,137,461.23x = 1,039,486,682.66 × 226,691,112.33
  4. Step 4: Simplify right side
    693,137,461.23x = 235,642,392,343,283,680
  5. Step 5: Solve for x
    x = 235,642,392,343,283,680/693,137,461.23
  6. Step 6: Final answer
    x = 339,964,877.85

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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.