Home / 1,280,274,177.24-1,920,685,390.56-382,951,436.31

Finding the Fourth Proportional to 1,280,274,177.24, 1,920,685,390.56 and 382,951,436.31

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Solution

The fourth proportional to 1,280,274,177.24, 1,920,685,390.56 and 382,951,436.31 is: 574,509,149.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,274,177.24 : 1,920,685,390.56 = 382,951,436.31 : x
  2. Step 2: Convert to fraction form
    1,280,274,177.24/1,920,685,390.56 = 382,951,436.31/x
  3. Step 3: Cross multiply
    1,280,274,177.24x = 1,920,685,390.56 × 382,951,436.31
  4. Step 4: Simplify right side
    1,280,274,177.24x = 735,529,229,014,585,344
  5. Step 5: Solve for x
    x = 735,529,229,014,585,344/1,280,274,177.24
  6. Step 6: Final answer
    x = 574,509,149.75

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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.