Home / 1,120,404,682.20-1,680,607,023.30-713,265,763.80

Finding the Fourth Proportional to 1,120,404,682.20, 1,680,607,023.30 and 713,265,763.80

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Solution

The fourth proportional to 1,120,404,682.20, 1,680,607,023.30 and 713,265,763.80 is: 1,069,898,645.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,404,682.20 : 1,680,607,023.30 = 713,265,763.80 : x
  2. Step 2: Convert to fraction form
    1,120,404,682.20/1,680,607,023.30 = 713,265,763.80/x
  3. Step 3: Cross multiply
    1,120,404,682.20x = 1,680,607,023.30 × 713,265,763.80
  4. Step 4: Simplify right side
    1,120,404,682.20x = 1,198,719,452,121,718,784
  5. Step 5: Solve for x
    x = 1,198,719,452,121,718,784/1,120,404,682.20
  6. Step 6: Final answer
    x = 1,069,898,645.70

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Double scale
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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.