Home / 680,992,893.20-1,021,622,050.20-271,979,440.40

Finding the Fourth Proportional to 680,992,893.20, 1,021,622,050.20 and 271,979,440.40

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Solution

The fourth proportional to 680,992,893.20, 1,021,622,050.20 and 271,979,440.40 is: 408,022,163.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,992,893.20 : 1,021,622,050.20 = 271,979,440.40 : x
  2. Step 2: Convert to fraction form
    680,992,893.20/1,021,622,050.20 = 271,979,440.40/x
  3. Step 3: Cross multiply
    680,992,893.20x = 1,021,622,050.20 × 271,979,440.40
  4. Step 4: Simplify right side
    680,992,893.20x = 277,860,193,513,696,704
  5. Step 5: Solve for x
    x = 277,860,193,513,696,704/680,992,893.20
  6. Step 6: Final answer
    x = 408,022,163.36

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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.