Home / 541,347,815.82-747,039,981.78-293,823,855.66

Finding the Fourth Proportional to 541,347,815.82, 747,039,981.78 and 293,823,855.66

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Solution

The fourth proportional to 541,347,815.82, 747,039,981.78 and 293,823,855.66 is: 405,466,063.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,347,815.82 : 747,039,981.78 = 293,823,855.66 : x
  2. Step 2: Convert to fraction form
    541,347,815.82/747,039,981.78 = 293,823,855.66/x
  3. Step 3: Cross multiply
    541,347,815.82x = 747,039,981.78 × 293,823,855.66
  4. Step 4: Simplify right side
    541,347,815.82x = 219,498,167,778,775,776
  5. Step 5: Solve for x
    x = 219,498,167,778,775,776/541,347,815.82
  6. Step 6: Final answer
    x = 405,466,063.34

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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.