Home / 7,691,846,648.80-11,549,863,208.40-4,426,673,144.80

Finding the Fourth Proportional to 7,691,846,648.80, 11,549,863,208.40 and 4,426,673,144.80

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Solution

The fourth proportional to 7,691,846,648.80, 11,549,863,208.40 and 4,426,673,144.80 is: 6,646,969,398.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,691,846,648.80 : 11,549,863,208.40 = 4,426,673,144.80 : x
  2. Step 2: Convert to fraction form
    7,691,846,648.80/11,549,863,208.40 = 4,426,673,144.80/x
  3. Step 3: Cross multiply
    7,691,846,648.80x = 11,549,863,208.40 × 4,426,673,144.80
  4. Step 4: Simplify right side
    7,691,846,648.80x = 51,127,469,290,737,844,224
  5. Step 5: Solve for x
    x = 51,127,469,290,737,844,224/7,691,846,648.80
  6. Step 6: Final answer
    x = 6,646,969,398.27

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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.