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Finding the Fourth Proportional to 1,213,652,126.50, 1,674,844,375.53 and 656,735,179.30

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Solution

The fourth proportional to 1,213,652,126.50, 1,674,844,375.53 and 656,735,179.30 is: 906,296,950.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,652,126.50 : 1,674,844,375.53 = 656,735,179.30 : x
  2. Step 2: Convert to fraction form
    1,213,652,126.50/1,674,844,375.53 = 656,735,179.30/x
  3. Step 3: Cross multiply
    1,213,652,126.50x = 1,674,844,375.53 × 656,735,179.30
  4. Step 4: Simplify right side
    1,213,652,126.50x = 1,099,929,221,263,291,008
  5. Step 5: Solve for x
    x = 1,099,929,221,263,291,008/1,213,652,126.50
  6. Step 6: Final answer
    x = 906,296,950.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.