Home / 687,204,456.66-1,030,968,085.59-227,142,576.77

Finding the Fourth Proportional to 687,204,456.66, 1,030,968,085.59 and 227,142,576.77

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Solution

The fourth proportional to 687,204,456.66, 1,030,968,085.59 and 227,142,576.77 is: 340,767,213.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,204,456.66 : 1,030,968,085.59 = 227,142,576.77 : x
  2. Step 2: Convert to fraction form
    687,204,456.66/1,030,968,085.59 = 227,142,576.77/x
  3. Step 3: Cross multiply
    687,204,456.66x = 1,030,968,085.59 × 227,142,576.77
  4. Step 4: Simplify right side
    687,204,456.66x = 234,176,747,523,391,648
  5. Step 5: Solve for x
    x = 234,176,747,523,391,648/687,204,456.66
  6. Step 6: Final answer
    x = 340,767,213.10

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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.