Home / 2,659,838,124.40-3,990,135,100.20-819,398,892.40

Finding the Fourth Proportional to 2,659,838,124.40, 3,990,135,100.20 and 819,398,892.40

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Solution

The fourth proportional to 2,659,838,124.40, 3,990,135,100.20 and 819,398,892.40 is: 1,229,214,759.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,659,838,124.40 : 3,990,135,100.20 = 819,398,892.40 : x
  2. Step 2: Convert to fraction form
    2,659,838,124.40/3,990,135,100.20 = 819,398,892.40/x
  3. Step 3: Cross multiply
    2,659,838,124.40x = 3,990,135,100.20 × 819,398,892.40
  4. Step 4: Simplify right side
    2,659,838,124.40x = 3,269,512,281,630,242,816
  5. Step 5: Solve for x
    x = 3,269,512,281,630,242,816/2,659,838,124.40
  6. Step 6: Final answer
    x = 1,229,214,759.97

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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.