Home / 661,041,003.30-991,561,504.95-230,219,499.30

Finding the Fourth Proportional to 661,041,003.30, 991,561,504.95 and 230,219,499.30

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Solution

The fourth proportional to 661,041,003.30, 991,561,504.95 and 230,219,499.30 is: 345,329,248.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,041,003.30 : 991,561,504.95 = 230,219,499.30 : x
  2. Step 2: Convert to fraction form
    661,041,003.30/991,561,504.95 = 230,219,499.30/x
  3. Step 3: Cross multiply
    661,041,003.30x = 991,561,504.95 × 230,219,499.30
  4. Step 4: Simplify right side
    661,041,003.30x = 228,276,793,194,743,488
  5. Step 5: Solve for x
    x = 228,276,793,194,743,488/661,041,003.30
  6. Step 6: Final answer
    x = 345,329,248.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.