Home / 3,157,929,520.28-4,739,615,258.34-2,189,261,380.76

Finding the Fourth Proportional to 3,157,929,520.28, 4,739,615,258.34 and 2,189,261,380.76

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Solution

The fourth proportional to 3,157,929,520.28, 4,739,615,258.34 and 2,189,261,380.76 is: 3,285,778,412.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,157,929,520.28 : 4,739,615,258.34 = 2,189,261,380.76 : x
  2. Step 2: Convert to fraction form
    3,157,929,520.28/4,739,615,258.34 = 2,189,261,380.76/x
  3. Step 3: Cross multiply
    3,157,929,520.28x = 4,739,615,258.34 × 2,189,261,380.76
  4. Step 4: Simplify right side
    3,157,929,520.28x = 10,376,256,644,744,593,408
  5. Step 5: Solve for x
    x = 10,376,256,644,744,593,408/3,157,929,520.28
  6. Step 6: Final answer
    x = 3,285,778,412.12

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Double scale
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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.