Home / 1,021,543,982,921.50-1,532,317,449,142.50-417,169,188,355.53

Finding the Fourth Proportional to 1,021,543,982,921.50, 1,532,317,449,142.50 and 417,169,188,355.53

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Solution

The fourth proportional to 1,021,543,982,921.50, 1,532,317,449,142.50 and 417,169,188,355.53 is: 625,754,384,782.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,543,982,921.50 : 1,532,317,449,142.50 = 417,169,188,355.53 : x
  2. Step 2: Convert to fraction form
    1,021,543,982,921.50/1,532,317,449,142.50 = 417,169,188,355.53/x
  3. Step 3: Cross multiply
    1,021,543,982,921.50x = 1,532,317,449,142.50 × 417,169,188,355.53
  4. Step 4: Simplify right side
    1,021,543,982,921.50x = 639,235,626,561,792,869,662,720
  5. Step 5: Solve for x
    x = 639,235,626,561,792,869,662,720/1,021,543,982,921.50
  6. Step 6: Final answer
    x = 625,754,384,782.98

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Double scale
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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.