Home / 3,840,384,709.40-5,760,577,064.10-3,689,891,115.80

Finding the Fourth Proportional to 3,840,384,709.40, 5,760,577,064.10 and 3,689,891,115.80

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Solution

The fourth proportional to 3,840,384,709.40, 5,760,577,064.10 and 3,689,891,115.80 is: 5,534,836,673.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,840,384,709.40 : 5,760,577,064.10 = 3,689,891,115.80 : x
  2. Step 2: Convert to fraction form
    3,840,384,709.40/5,760,577,064.10 = 3,689,891,115.80/x
  3. Step 3: Cross multiply
    3,840,384,709.40x = 5,760,577,064.10 × 3,689,891,115.80
  4. Step 4: Simplify right side
    3,840,384,709.40x = 21,255,902,130,703,839,232
  5. Step 5: Solve for x
    x = 21,255,902,130,703,839,232/3,840,384,709.40
  6. Step 6: Final answer
    x = 5,534,836,673.70

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Double scale
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Similar ratio
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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.