Home / 9,894,543,525.25-13,654,478,863.35-5,378,422,578.20

Finding the Fourth Proportional to 9,894,543,525.25, 13,654,478,863.35 and 5,378,422,578.20

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Solution

The fourth proportional to 9,894,543,525.25, 13,654,478,863.35 and 5,378,422,578.20 is: 7,422,227,940.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,894,543,525.25 : 13,654,478,863.35 = 5,378,422,578.20 : x
  2. Step 2: Convert to fraction form
    9,894,543,525.25/13,654,478,863.35 = 5,378,422,578.20/x
  3. Step 3: Cross multiply
    9,894,543,525.25x = 13,654,478,863.35 × 5,378,422,578.20
  4. Step 4: Simplify right side
    9,894,543,525.25x = 73,439,557,412,128,038,912
  5. Step 5: Solve for x
    x = 73,439,557,412,128,038,912/9,894,543,525.25
  6. Step 6: Final answer
    x = 7,422,227,940.55

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Double scale
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1.5x scale

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.