Home / 10,382,456,436.78-15,573,684,835.05-2,521,815,783.90

Finding the Fourth Proportional to 10,382,456,436.78, 15,573,684,835.05 and 2,521,815,783.90

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Solution

The fourth proportional to 10,382,456,436.78, 15,573,684,835.05 and 2,521,815,783.90 is: 3,782,723,719.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,382,456,436.78 : 15,573,684,835.05 = 2,521,815,783.90 : x
  2. Step 2: Convert to fraction form
    10,382,456,436.78/15,573,684,835.05 = 2,521,815,783.90/x
  3. Step 3: Cross multiply
    10,382,456,436.78x = 15,573,684,835.05 × 2,521,815,783.90
  4. Step 4: Simplify right side
    10,382,456,436.78x = 39,273,964,230,513,156,096
  5. Step 5: Solve for x
    x = 39,273,964,230,513,156,096/10,382,456,436.78
  6. Step 6: Final answer
    x = 3,782,723,719.54

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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.