Home / 19,920,192,040.80-29,880,288,061.20-5,198,213,458.80

Finding the Fourth Proportional to 19,920,192,040.80, 29,880,288,061.20 and 5,198,213,458.80

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Solution

The fourth proportional to 19,920,192,040.80, 29,880,288,061.20 and 5,198,213,458.80 is: 7,797,320,188.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,920,192,040.80 : 29,880,288,061.20 = 5,198,213,458.80 : x
  2. Step 2: Convert to fraction form
    19,920,192,040.80/29,880,288,061.20 = 5,198,213,458.80/x
  3. Step 3: Cross multiply
    19,920,192,040.80x = 29,880,288,061.20 × 5,198,213,458.80
  4. Step 4: Simplify right side
    19,920,192,040.80x = 155,324,115,552,550,813,696
  5. Step 5: Solve for x
    x = 155,324,115,552,550,813,696/19,920,192,040.80
  6. Step 6: Final answer
    x = 7,797,320,188.20

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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.