Home / 1,120,727,713.20-1,681,091,569.80-713,588,794.80

Finding the Fourth Proportional to 1,120,727,713.20, 1,681,091,569.80 and 713,588,794.80

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Solution

The fourth proportional to 1,120,727,713.20, 1,681,091,569.80 and 713,588,794.80 is: 1,070,383,192.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,727,713.20 : 1,681,091,569.80 = 713,588,794.80 : x
  2. Step 2: Convert to fraction form
    1,120,727,713.20/1,681,091,569.80 = 713,588,794.80/x
  3. Step 3: Cross multiply
    1,120,727,713.20x = 1,681,091,569.80 × 713,588,794.80
  4. Step 4: Simplify right side
    1,120,727,713.20x = 1,199,608,107,242,021,888
  5. Step 5: Solve for x
    x = 1,199,608,107,242,021,888/1,120,727,713.20
  6. Step 6: Final answer
    x = 1,070,383,192.20

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Half scale
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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.