Home / 439,931,131.20-660,274,610.40-194,665,204.80

Finding the Fourth Proportional to 439,931,131.20, 660,274,610.40 and 194,665,204.80

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Solution

The fourth proportional to 439,931,131.20, 660,274,610.40 and 194,665,204.80 is: 292,165,030.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,931,131.20 : 660,274,610.40 = 194,665,204.80 : x
  2. Step 2: Convert to fraction form
    439,931,131.20/660,274,610.40 = 194,665,204.80/x
  3. Step 3: Cross multiply
    439,931,131.20x = 660,274,610.40 × 194,665,204.80
  4. Step 4: Simplify right side
    439,931,131.20x = 128,532,492,257,756,208
  5. Step 5: Solve for x
    x = 128,532,492,257,756,208/439,931,131.20
  6. Step 6: Final answer
    x = 292,165,030.26

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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.