Home / 17,006,126,800.80-25,509,190,201.20-7,690,178,647.20

Finding the Fourth Proportional to 17,006,126,800.80, 25,509,190,201.20 and 7,690,178,647.20

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Solution

The fourth proportional to 17,006,126,800.80, 25,509,190,201.20 and 7,690,178,647.20 is: 11,535,267,970.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,006,126,800.80 : 25,509,190,201.20 = 7,690,178,647.20 : x
  2. Step 2: Convert to fraction form
    17,006,126,800.80/25,509,190,201.20 = 7,690,178,647.20/x
  3. Step 3: Cross multiply
    17,006,126,800.80x = 25,509,190,201.20 × 7,690,178,647.20
  4. Step 4: Simplify right side
    17,006,126,800.80x = 196,170,229,792,631,717,888
  5. Step 5: Solve for x
    x = 196,170,229,792,631,717,888/17,006,126,800.80
  6. Step 6: Final answer
    x = 11,535,267,970.80

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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.