Home / 905,858,232.40-1,358,787,348.60-542,165,381.20

Finding the Fourth Proportional to 905,858,232.40, 1,358,787,348.60 and 542,165,381.20

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Solution

The fourth proportional to 905,858,232.40, 1,358,787,348.60 and 542,165,381.20 is: 813,248,071.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,858,232.40 : 1,358,787,348.60 = 542,165,381.20 : x
  2. Step 2: Convert to fraction form
    905,858,232.40/1,358,787,348.60 = 542,165,381.20/x
  3. Step 3: Cross multiply
    905,858,232.40x = 1,358,787,348.60 × 542,165,381.20
  4. Step 4: Simplify right side
    905,858,232.40x = 736,687,460,823,456,256
  5. Step 5: Solve for x
    x = 736,687,460,823,456,256/905,858,232.40
  6. Step 6: Final answer
    x = 813,248,071.80

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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.