Home / 7,941,897,645.20-11,912,846,467.80-2,125,807,341.20

Finding the Fourth Proportional to 7,941,897,645.20, 11,912,846,467.80 and 2,125,807,341.20

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Solution

The fourth proportional to 7,941,897,645.20, 11,912,846,467.80 and 2,125,807,341.20 is: 3,188,711,011.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,941,897,645.20 : 11,912,846,467.80 = 2,125,807,341.20 : x
  2. Step 2: Convert to fraction form
    7,941,897,645.20/11,912,846,467.80 = 2,125,807,341.20/x
  3. Step 3: Cross multiply
    7,941,897,645.20x = 11,912,846,467.80 × 2,125,807,341.20
  4. Step 4: Simplify right side
    7,941,897,645.20x = 25,324,416,475,837,726,720
  5. Step 5: Solve for x
    x = 25,324,416,475,837,726,720/7,941,897,645.20
  6. Step 6: Final answer
    x = 3,188,711,011.80

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1.5x scale

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.