Home / 541,731,729.48-747,635,893.56-306,824,178.66

Finding the Fourth Proportional to 541,731,729.48, 747,635,893.56 and 306,824,178.66

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Solution

The fourth proportional to 541,731,729.48, 747,635,893.56 and 306,824,178.66 is: 423,443,480.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,731,729.48 : 747,635,893.56 = 306,824,178.66 : x
  2. Step 2: Convert to fraction form
    541,731,729.48/747,635,893.56 = 306,824,178.66/x
  3. Step 3: Cross multiply
    541,731,729.48x = 747,635,893.56 × 306,824,178.66
  4. Step 4: Simplify right side
    541,731,729.48x = 229,392,768,978,282,176
  5. Step 5: Solve for x
    x = 229,392,768,978,282,176/541,731,729.48
  6. Step 6: Final answer
    x = 423,443,480.41

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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.