Home / 541,307,452.80-747,005,005.62-293,788,806.96

Finding the Fourth Proportional to 541,307,452.80, 747,005,005.62 and 293,788,806.96

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Solution

The fourth proportional to 541,307,452.80, 747,005,005.62 and 293,788,806.96 is: 405,428,944.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,307,452.80 : 747,005,005.62 = 293,788,806.96 : x
  2. Step 2: Convert to fraction form
    541,307,452.80/747,005,005.62 = 293,788,806.96/x
  3. Step 3: Cross multiply
    541,307,452.80x = 747,005,005.62 × 293,788,806.96
  4. Step 4: Simplify right side
    541,307,452.80x = 219,461,709,394,247,872
  5. Step 5: Solve for x
    x = 219,461,709,394,247,872/541,307,452.80
  6. Step 6: Final answer
    x = 405,428,944.79

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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.