Home / 25,616,056,812.70-38,420,542,279.05-7,941,888,046.30

Finding the Fourth Proportional to 25,616,056,812.70, 38,420,542,279.05 and 7,941,888,046.30

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Solution

The fourth proportional to 25,616,056,812.70, 38,420,542,279.05 and 7,941,888,046.30 is: 11,911,733,632.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,616,056,812.70 : 38,420,542,279.05 = 7,941,888,046.30 : x
  2. Step 2: Convert to fraction form
    25,616,056,812.70/38,420,542,279.05 = 7,941,888,046.30/x
  3. Step 3: Cross multiply
    25,616,056,812.70x = 38,420,542,279.05 × 7,941,888,046.30
  4. Step 4: Simplify right side
    25,616,056,812.70x = 305,131,645,458,350,997,504
  5. Step 5: Solve for x
    x = 305,131,645,458,350,997,504/25,616,056,812.70
  6. Step 6: Final answer
    x = 11,911,733,632.13

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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.