Home / 994,512,273.11-1,372,428,297.96-542,391,333.49

Finding the Fourth Proportional to 994,512,273.11, 1,372,428,297.96 and 542,391,333.49

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Solution

The fourth proportional to 994,512,273.11, 1,372,428,297.96 and 542,391,333.49 is: 748,500,782.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,512,273.11 : 1,372,428,297.96 = 542,391,333.49 : x
  2. Step 2: Convert to fraction form
    994,512,273.11/1,372,428,297.96 = 542,391,333.49/x
  3. Step 3: Cross multiply
    994,512,273.11x = 1,372,428,297.96 × 542,391,333.49
  4. Step 4: Simplify right side
    994,512,273.11x = 744,393,214,643,073,408
  5. Step 5: Solve for x
    x = 744,393,214,643,073,408/994,512,273.11
  6. Step 6: Final answer
    x = 748,500,782.51

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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.