Home / 1,021,543,982,917.30-1,532,317,449,136.40-417,169,188,351.39

Finding the Fourth Proportional to 1,021,543,982,917.30, 1,532,317,449,136.40 and 417,169,188,351.39

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Solution

The fourth proportional to 1,021,543,982,917.30, 1,532,317,449,136.40 and 417,169,188,351.39 is: 625,754,384,776.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,543,982,917.30 : 1,532,317,449,136.40 = 417,169,188,351.39 : x
  2. Step 2: Convert to fraction form
    1,021,543,982,917.30/1,532,317,449,136.40 = 417,169,188,351.39/x
  3. Step 3: Cross multiply
    1,021,543,982,917.30x = 1,532,317,449,136.40 × 417,169,188,351.39
  4. Step 4: Simplify right side
    1,021,543,982,917.30x = 639,235,626,552,904,300,625,920
  5. Step 5: Solve for x
    x = 639,235,626,552,904,300,625,920/1,021,543,982,917.30
  6. Step 6: Final answer
    x = 625,754,384,776.85

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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.