Home / 541,977,671.22-747,929,185.19-307,028,331.39

Finding the Fourth Proportional to 541,977,671.22, 747,929,185.19 and 307,028,331.39

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Solution

The fourth proportional to 541,977,671.22, 747,929,185.19 and 307,028,331.39 is: 423,699,096.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,977,671.22 : 747,929,185.19 = 307,028,331.39 : x
  2. Step 2: Convert to fraction form
    541,977,671.22/747,929,185.19 = 307,028,331.39/x
  3. Step 3: Cross multiply
    541,977,671.22x = 747,929,185.19 × 307,028,331.39
  4. Step 4: Simplify right side
    541,977,671.22x = 229,635,449,726,768,000
  5. Step 5: Solve for x
    x = 229,635,449,726,768,000/541,977,671.22
  6. Step 6: Final answer
    x = 423,699,096.70

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1.5x scale

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.