Home / 409,756,348.23-614,546,459.30-129,659,458.85

Finding the Fourth Proportional to 409,756,348.23, 614,546,459.30 and 129,659,458.85

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Solution

The fourth proportional to 409,756,348.23, 614,546,459.30 and 129,659,458.85 is: 194,461,322.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,756,348.23 : 614,546,459.30 = 129,659,458.85 : x
  2. Step 2: Convert to fraction form
    409,756,348.23/614,546,459.30 = 129,659,458.85/x
  3. Step 3: Cross multiply
    409,756,348.23x = 614,546,459.30 × 129,659,458.85
  4. Step 4: Simplify right side
    409,756,348.23x = 79,681,761,351,021,536
  5. Step 5: Solve for x
    x = 79,681,761,351,021,536/409,756,348.23
  6. Step 6: Final answer
    x = 194,461,322.43

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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.