Home / 1,368,718,946.56-2,052,258,524.88-435,638,753.20

Finding the Fourth Proportional to 1,368,718,946.56, 2,052,258,524.88 and 435,638,753.20

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Solution

The fourth proportional to 1,368,718,946.56, 2,052,258,524.88 and 435,638,753.20 is: 653,197,171.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,368,718,946.56 : 2,052,258,524.88 = 435,638,753.20 : x
  2. Step 2: Convert to fraction form
    1,368,718,946.56/2,052,258,524.88 = 435,638,753.20/x
  3. Step 3: Cross multiply
    1,368,718,946.56x = 2,052,258,524.88 × 435,638,753.20
  4. Step 4: Simplify right side
    1,368,718,946.56x = 894,043,345,022,794,368
  5. Step 5: Solve for x
    x = 894,043,345,022,794,368/1,368,718,946.56
  6. Step 6: Final answer
    x = 653,197,171.90

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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.