Home / 389,267,393.28-537,131,217.96-236,424,372

Finding the Fourth Proportional to 389,267,393.28, 537,131,217.96 and 236,424,372

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Solution

The fourth proportional to 389,267,393.28, 537,131,217.96 and 236,424,372 is: 326,230,537.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,267,393.28 : 537,131,217.96 = 236,424,372 : x
  2. Step 2: Convert to fraction form
    389,267,393.28/537,131,217.96 = 236,424,372/x
  3. Step 3: Cross multiply
    389,267,393.28x = 537,131,217.96 × 236,424,372
  4. Step 4: Simplify right side
    389,267,393.28x = 126,990,910,887,788,128
  5. Step 5: Solve for x
    x = 126,990,910,887,788,128/389,267,393.28
  6. Step 6: Final answer
    x = 326,230,537.36

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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.