Home / 296,982,826.18-445,491,263.14-78,627,494.30

Finding the Fourth Proportional to 296,982,826.18, 445,491,263.14 and 78,627,494.30

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Solution

The fourth proportional to 296,982,826.18, 445,491,263.14 and 78,627,494.30 is: 117,945,748.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,982,826.18 : 445,491,263.14 = 78,627,494.30 : x
  2. Step 2: Convert to fraction form
    296,982,826.18/445,491,263.14 = 78,627,494.30/x
  3. Step 3: Cross multiply
    296,982,826.18x = 445,491,263.14 × 78,627,494.30
  4. Step 4: Simplify right side
    296,982,826.18x = 35,027,861,750,816,124
  5. Step 5: Solve for x
    x = 35,027,861,750,816,124/296,982,826.18
  6. Step 6: Final answer
    x = 117,945,748.59

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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.