Home / 3,578,512,104.48-4,938,299,616.24-1,970,936,229.60

Finding the Fourth Proportional to 3,578,512,104.48, 4,938,299,616.24 and 1,970,936,229.60

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Solution

The fourth proportional to 3,578,512,104.48, 4,938,299,616.24 and 1,970,936,229.60 is: 2,719,866,062.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,578,512,104.48 : 4,938,299,616.24 = 1,970,936,229.60 : x
  2. Step 2: Convert to fraction form
    3,578,512,104.48/4,938,299,616.24 = 1,970,936,229.60/x
  3. Step 3: Cross multiply
    3,578,512,104.48x = 4,938,299,616.24 × 1,970,936,229.60
  4. Step 4: Simplify right side
    3,578,512,104.48x = 9,733,073,626,267,191,296
  5. Step 5: Solve for x
    x = 9,733,073,626,267,191,296/3,578,512,104.48
  6. Step 6: Final answer
    x = 2,719,866,062.23

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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.