Home / 2,598,643,863.20-3,897,965,794.80-1,288,039,498.40

Finding the Fourth Proportional to 2,598,643,863.20, 3,897,965,794.80 and 1,288,039,498.40

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Solution

The fourth proportional to 2,598,643,863.20, 3,897,965,794.80 and 1,288,039,498.40 is: 1,932,059,247.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,598,643,863.20 : 3,897,965,794.80 = 1,288,039,498.40 : x
  2. Step 2: Convert to fraction form
    2,598,643,863.20/3,897,965,794.80 = 1,288,039,498.40/x
  3. Step 3: Cross multiply
    2,598,643,863.20x = 3,897,965,794.80 × 1,288,039,498.40
  4. Step 4: Simplify right side
    2,598,643,863.20x = 5,020,733,907,114,550,272
  5. Step 5: Solve for x
    x = 5,020,733,907,114,550,272/2,598,643,863.20
  6. Step 6: Final answer
    x = 1,932,059,247.60

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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.