Home / 1,120,727,686.70-1,681,091,530.05-713,588,768.30

Finding the Fourth Proportional to 1,120,727,686.70, 1,681,091,530.05 and 713,588,768.30

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Solution

The fourth proportional to 1,120,727,686.70, 1,681,091,530.05 and 713,588,768.30 is: 1,070,383,152.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,727,686.70 : 1,681,091,530.05 = 713,588,768.30 : x
  2. Step 2: Convert to fraction form
    1,120,727,686.70/1,681,091,530.05 = 713,588,768.30/x
  3. Step 3: Cross multiply
    1,120,727,686.70x = 1,681,091,530.05 × 713,588,768.30
  4. Step 4: Simplify right side
    1,120,727,686.70x = 1,199,608,034,327,941,888
  5. Step 5: Solve for x
    x = 1,199,608,034,327,941,888/1,120,727,686.70
  6. Step 6: Final answer
    x = 1,070,383,152.45

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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.