Home / 541,307,435.72-747,004,982.12-293,788,789.96

Finding the Fourth Proportional to 541,307,435.72, 747,004,982.12 and 293,788,789.96

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Solution

The fourth proportional to 541,307,435.72, 747,004,982.12 and 293,788,789.96 is: 405,428,921.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,307,435.72 : 747,004,982.12 = 293,788,789.96 : x
  2. Step 2: Convert to fraction form
    541,307,435.72/747,004,982.12 = 293,788,789.96/x
  3. Step 3: Cross multiply
    541,307,435.72x = 747,004,982.12 × 293,788,789.96
  4. Step 4: Simplify right side
    541,307,435.72x = 219,461,689,791,126,208
  5. Step 5: Solve for x
    x = 219,461,689,791,126,208/541,307,435.72
  6. Step 6: Final answer
    x = 405,428,921.37

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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.