Home / 1,368,718,984.88-2,052,258,582.12-435,638,791.52

Finding the Fourth Proportional to 1,368,718,984.88, 2,052,258,582.12 and 435,638,791.52

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Solution

The fourth proportional to 1,368,718,984.88, 2,052,258,582.12 and 435,638,791.52 is: 653,197,229.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,368,718,984.88 : 2,052,258,582.12 = 435,638,791.52 : x
  2. Step 2: Convert to fraction form
    1,368,718,984.88/2,052,258,582.12 = 435,638,791.52/x
  3. Step 3: Cross multiply
    1,368,718,984.88x = 2,052,258,582.12 × 435,638,791.52
  4. Step 4: Simplify right side
    1,368,718,984.88x = 894,043,448,601,305,344
  5. Step 5: Solve for x
    x = 894,043,448,601,305,344/1,368,718,984.88
  6. Step 6: Final answer
    x = 653,197,229.29

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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.