Home / 2,659,396,150.40-3,989,094,225.60-818,909,679.20

Finding the Fourth Proportional to 2,659,396,150.40, 3,989,094,225.60 and 818,909,679.20

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Solution

The fourth proportional to 2,659,396,150.40, 3,989,094,225.60 and 818,909,679.20 is: 1,228,364,518.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,659,396,150.40 : 3,989,094,225.60 = 818,909,679.20 : x
  2. Step 2: Convert to fraction form
    2,659,396,150.40/3,989,094,225.60 = 818,909,679.20/x
  3. Step 3: Cross multiply
    2,659,396,150.40x = 3,989,094,225.60 × 818,909,679.20
  4. Step 4: Simplify right side
    2,659,396,150.40x = 3,266,707,872,584,668,672
  5. Step 5: Solve for x
    x = 3,266,707,872,584,668,672/2,659,396,150.40
  6. Step 6: Final answer
    x = 1,228,364,518.80

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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.