Home / 541,731,520.39-747,635,605.08-306,823,969.57

Finding the Fourth Proportional to 541,731,520.39, 747,635,605.08 and 306,823,969.57

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Solution

The fourth proportional to 541,731,520.39, 747,635,605.08 and 306,823,969.57 is: 423,443,191.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,731,520.39 : 747,635,605.08 = 306,823,969.57 : x
  2. Step 2: Convert to fraction form
    541,731,520.39/747,635,605.08 = 306,823,969.57/x
  3. Step 3: Cross multiply
    541,731,520.39x = 747,635,605.08 × 306,823,969.57
  4. Step 4: Simplify right side
    541,731,520.39x = 229,392,524,139,494,752
  5. Step 5: Solve for x
    x = 229,392,524,139,494,752/541,731,520.39
  6. Step 6: Final answer
    x = 423,443,191.89

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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.