Home / 2,586,740,610.60-3,880,055,077.23-721,336,617.78

Finding the Fourth Proportional to 2,586,740,610.60, 3,880,055,077.23 and 721,336,617.78

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Solution

The fourth proportional to 2,586,740,610.60, 3,880,055,077.23 and 721,336,617.78 is: 1,081,989,355.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,586,740,610.60 : 3,880,055,077.23 = 721,336,617.78 : x
  2. Step 2: Convert to fraction form
    2,586,740,610.60/3,880,055,077.23 = 721,336,617.78/x
  3. Step 3: Cross multiply
    2,586,740,610.60x = 3,880,055,077.23 × 721,336,617.78
  4. Step 4: Simplify right side
    2,586,740,610.60x = 2,798,825,806,197,323,264
  5. Step 5: Solve for x
    x = 2,798,825,806,197,323,264/2,586,740,610.60
  6. Step 6: Final answer
    x = 1,081,989,355.53

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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.