Home / 1,107,171,519.60-1,660,996,427.85-330,895,650.90

Finding the Fourth Proportional to 1,107,171,519.60, 1,660,996,427.85 and 330,895,650.90

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Solution

The fourth proportional to 1,107,171,519.60, 1,660,996,427.85 and 330,895,650.90 is: 496,414,949.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,171,519.60 : 1,660,996,427.85 = 330,895,650.90 : x
  2. Step 2: Convert to fraction form
    1,107,171,519.60/1,660,996,427.85 = 330,895,650.90/x
  3. Step 3: Cross multiply
    1,107,171,519.60x = 1,660,996,427.85 × 330,895,650.90
  4. Step 4: Simplify right side
    1,107,171,519.60x = 549,616,494,136,000,576
  5. Step 5: Solve for x
    x = 549,616,494,136,000,576/1,107,171,519.60
  6. Step 6: Final answer
    x = 496,414,949.63

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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.