Home / 2,600,184,819.68-3,897,981,379.36-1,989,495,337.76

Finding the Fourth Proportional to 2,600,184,819.68, 3,897,981,379.36 and 1,989,495,337.76

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Solution

The fourth proportional to 2,600,184,819.68, 3,897,981,379.36 and 1,989,495,337.76 is: 2,982,486,368.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,600,184,819.68 : 3,897,981,379.36 = 1,989,495,337.76 : x
  2. Step 2: Convert to fraction form
    2,600,184,819.68/3,897,981,379.36 = 1,989,495,337.76/x
  3. Step 3: Cross multiply
    2,600,184,819.68x = 3,897,981,379.36 × 1,989,495,337.76
  4. Step 4: Simplify right side
    2,600,184,819.68x = 7,755,015,780,912,014,336
  5. Step 5: Solve for x
    x = 7,755,015,780,912,014,336/2,600,184,819.68
  6. Step 6: Final answer
    x = 2,982,486,368.74

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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.