Home / 2,456,764,479-3,685,146,718.68-820,989,081

Finding the Fourth Proportional to 2,456,764,479, 3,685,146,718.68 and 820,989,081

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Solution

The fourth proportional to 2,456,764,479, 3,685,146,718.68 and 820,989,081 is: 1,231,483,621.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,456,764,479 : 3,685,146,718.68 = 820,989,081 : x
  2. Step 2: Convert to fraction form
    2,456,764,479/3,685,146,718.68 = 820,989,081/x
  3. Step 3: Cross multiply
    2,456,764,479x = 3,685,146,718.68 × 820,989,081
  4. Step 4: Simplify right side
    2,456,764,479x = 3,025,465,217,919,258,624
  5. Step 5: Solve for x
    x = 3,025,465,217,919,258,624/2,456,764,479
  6. Step 6: Final answer
    x = 1,231,483,621.56

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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.