Home / 15,565,767,778.80-23,348,651,668.20-7,171,657,183.80

Finding the Fourth Proportional to 15,565,767,778.80, 23,348,651,668.20 and 7,171,657,183.80

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Solution

The fourth proportional to 15,565,767,778.80, 23,348,651,668.20 and 7,171,657,183.80 is: 10,757,485,775.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,565,767,778.80 : 23,348,651,668.20 = 7,171,657,183.80 : x
  2. Step 2: Convert to fraction form
    15,565,767,778.80/23,348,651,668.20 = 7,171,657,183.80/x
  3. Step 3: Cross multiply
    15,565,767,778.80x = 23,348,651,668.20 × 7,171,657,183.80
  4. Step 4: Simplify right side
    15,565,767,778.80x = 167,448,525,468,290,383,872
  5. Step 5: Solve for x
    x = 167,448,525,468,290,383,872/15,565,767,778.80
  6. Step 6: Final answer
    x = 10,757,485,775.70

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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.