Home / 1,021,543,982,916.80-1,532,317,449,135.60-417,169,188,350.85

Finding the Fourth Proportional to 1,021,543,982,916.80, 1,532,317,449,135.60 and 417,169,188,350.85

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Solution

The fourth proportional to 1,021,543,982,916.80, 1,532,317,449,135.60 and 417,169,188,350.85 is: 625,754,384,776.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,543,982,916.80 : 1,532,317,449,135.60 = 417,169,188,350.85 : x
  2. Step 2: Convert to fraction form
    1,021,543,982,916.80/1,532,317,449,135.60 = 417,169,188,350.85/x
  3. Step 3: Cross multiply
    1,021,543,982,916.80x = 1,532,317,449,135.60 × 417,169,188,350.85
  4. Step 4: Simplify right side
    1,021,543,982,916.80x = 639,235,626,551,743,183,060,992
  5. Step 5: Solve for x
    x = 639,235,626,551,743,183,060,992/1,021,543,982,916.80
  6. Step 6: Final answer
    x = 625,754,384,776.02

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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.