Home / 2,586,740,611.60-3,880,055,078.73-721,336,618.78

Finding the Fourth Proportional to 2,586,740,611.60, 3,880,055,078.73 and 721,336,618.78

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Solution

The fourth proportional to 2,586,740,611.60, 3,880,055,078.73 and 721,336,618.78 is: 1,081,989,357.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,586,740,611.60 : 3,880,055,078.73 = 721,336,618.78 : x
  2. Step 2: Convert to fraction form
    2,586,740,611.60/3,880,055,078.73 = 721,336,618.78/x
  3. Step 3: Cross multiply
    2,586,740,611.60x = 3,880,055,078.73 × 721,336,618.78
  4. Step 4: Simplify right side
    2,586,740,611.60x = 2,798,825,811,171,265,024
  5. Step 5: Solve for x
    x = 2,798,825,811,171,265,024/2,586,740,611.60
  6. Step 6: Final answer
    x = 1,081,989,357.04

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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.