Home / 1,120,473,019.60-1,680,709,529.40-733,489,493.20

Finding the Fourth Proportional to 1,120,473,019.60, 1,680,709,529.40 and 733,489,493.20

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Solution

The fourth proportional to 1,120,473,019.60, 1,680,709,529.40 and 733,489,493.20 is: 1,100,234,239.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,473,019.60 : 1,680,709,529.40 = 733,489,493.20 : x
  2. Step 2: Convert to fraction form
    1,120,473,019.60/1,680,709,529.40 = 733,489,493.20/x
  3. Step 3: Cross multiply
    1,120,473,019.60x = 1,680,709,529.40 × 733,489,493.20
  4. Step 4: Simplify right side
    1,120,473,019.60x = 1,232,782,780,936,016,640
  5. Step 5: Solve for x
    x = 1,232,782,780,936,016,640/1,120,473,019.60
  6. Step 6: Final answer
    x = 1,100,234,239.80

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Double scale
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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.