Home / 1,659,528,085.60-2,489,418,099.60-494,905,679.20

Finding the Fourth Proportional to 1,659,528,085.60, 2,489,418,099.60 and 494,905,679.20

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Solution

The fourth proportional to 1,659,528,085.60, 2,489,418,099.60 and 494,905,679.20 is: 742,396,086.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,659,528,085.60 : 2,489,418,099.60 = 494,905,679.20 : x
  2. Step 2: Convert to fraction form
    1,659,528,085.60/2,489,418,099.60 = 494,905,679.20/x
  3. Step 3: Cross multiply
    1,659,528,085.60x = 2,489,418,099.60 × 494,905,679.20
  4. Step 4: Simplify right side
    1,659,528,085.60x = 1,232,027,155,395,311,104
  5. Step 5: Solve for x
    x = 1,232,027,155,395,311,104/1,659,528,085.60
  6. Step 6: Final answer
    x = 742,396,086.02

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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.