Home / 541,722,505.56-747,640,877.16-321,705,931.56

Finding the Fourth Proportional to 541,722,505.56, 747,640,877.16 and 321,705,931.56

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Solution

The fourth proportional to 541,722,505.56, 747,640,877.16 and 321,705,931.56 is: 443,992,085.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,722,505.56 : 747,640,877.16 = 321,705,931.56 : x
  2. Step 2: Convert to fraction form
    541,722,505.56/747,640,877.16 = 321,705,931.56/x
  3. Step 3: Cross multiply
    541,722,505.56x = 747,640,877.16 × 321,705,931.56
  4. Step 4: Simplify right side
    541,722,505.56x = 240,520,504,859,093,312
  5. Step 5: Solve for x
    x = 240,520,504,859,093,312/541,722,505.56
  6. Step 6: Final answer
    x = 443,992,085.23

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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.