Home / 746,428,640.70-1,118,821,815.45-261,504,839.10

Finding the Fourth Proportional to 746,428,640.70, 1,118,821,815.45 and 261,504,839.10

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Solution

The fourth proportional to 746,428,640.70, 1,118,821,815.45 and 261,504,839.10 is: 391,969,577.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,428,640.70 : 1,118,821,815.45 = 261,504,839.10 : x
  2. Step 2: Convert to fraction form
    746,428,640.70/1,118,821,815.45 = 261,504,839.10/x
  3. Step 3: Cross multiply
    746,428,640.70x = 1,118,821,815.45 × 261,504,839.10
  4. Step 4: Simplify right side
    746,428,640.70x = 292,577,318,830,822,144
  5. Step 5: Solve for x
    x = 292,577,318,830,822,144/746,428,640.70
  6. Step 6: Final answer
    x = 391,969,577.37

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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.