Home / 1,324,719,107.40-1,987,078,661.10-452,305,561.80

Finding the Fourth Proportional to 1,324,719,107.40, 1,987,078,661.10 and 452,305,561.80

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Solution

The fourth proportional to 1,324,719,107.40, 1,987,078,661.10 and 452,305,561.80 is: 678,458,342.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324,719,107.40 : 1,987,078,661.10 = 452,305,561.80 : x
  2. Step 2: Convert to fraction form
    1,324,719,107.40/1,987,078,661.10 = 452,305,561.80/x
  3. Step 3: Cross multiply
    1,324,719,107.40x = 1,987,078,661.10 × 452,305,561.80
  4. Step 4: Simplify right side
    1,324,719,107.40x = 898,766,730,149,627,264
  5. Step 5: Solve for x
    x = 898,766,730,149,627,264/1,324,719,107.40
  6. Step 6: Final answer
    x = 678,458,342.70

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Double scale
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Similar ratio
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1.5x scale

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.