Home / 2,598,643,861.20-3,897,965,791.80-1,288,039,496.40

Finding the Fourth Proportional to 2,598,643,861.20, 3,897,965,791.80 and 1,288,039,496.40

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Solution

The fourth proportional to 2,598,643,861.20, 3,897,965,791.80 and 1,288,039,496.40 is: 1,932,059,244.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,598,643,861.20 : 3,897,965,791.80 = 1,288,039,496.40 : x
  2. Step 2: Convert to fraction form
    2,598,643,861.20/3,897,965,791.80 = 1,288,039,496.40/x
  3. Step 3: Cross multiply
    2,598,643,861.20x = 3,897,965,791.80 × 1,288,039,496.40
  4. Step 4: Simplify right side
    2,598,643,861.20x = 5,020,733,895,454,499,840
  5. Step 5: Solve for x
    x = 5,020,733,895,454,499,840/2,598,643,861.20
  6. Step 6: Final answer
    x = 1,932,059,244.60

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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.