Home / 541,977,669.21-747,929,182.42-307,028,329.38

Finding the Fourth Proportional to 541,977,669.21, 747,929,182.42 and 307,028,329.38

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Solution

The fourth proportional to 541,977,669.21, 747,929,182.42 and 307,028,329.38 is: 423,699,093.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,977,669.21 : 747,929,182.42 = 307,028,329.38 : x
  2. Step 2: Convert to fraction form
    541,977,669.21/747,929,182.42 = 307,028,329.38/x
  3. Step 3: Cross multiply
    541,977,669.21x = 747,929,182.42 × 307,028,329.38
  4. Step 4: Simplify right side
    541,977,669.21x = 229,635,447,372,961,856
  5. Step 5: Solve for x
    x = 229,635,447,372,961,856/541,977,669.21
  6. Step 6: Final answer
    x = 423,699,093.93

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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.