Home / 2,659,392,000.30-3,989,088,000.45-1,278,495,705.90

Finding the Fourth Proportional to 2,659,392,000.30, 3,989,088,000.45 and 1,278,495,705.90

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Solution

The fourth proportional to 2,659,392,000.30, 3,989,088,000.45 and 1,278,495,705.90 is: 1,917,743,558.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,659,392,000.30 : 3,989,088,000.45 = 1,278,495,705.90 : x
  2. Step 2: Convert to fraction form
    2,659,392,000.30/3,989,088,000.45 = 1,278,495,705.90/x
  3. Step 3: Cross multiply
    2,659,392,000.30x = 3,989,088,000.45 × 1,278,495,705.90
  4. Step 4: Simplify right side
    2,659,392,000.30x = 5,100,031,879,032,542,208
  5. Step 5: Solve for x
    x = 5,100,031,879,032,542,208/2,659,392,000.30
  6. Step 6: Final answer
    x = 1,917,743,558.85

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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.