Home / 1,005,215,195.60-1,507,822,793.40-746,934,869.60

Finding the Fourth Proportional to 1,005,215,195.60, 1,507,822,793.40 and 746,934,869.60

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Solution

The fourth proportional to 1,005,215,195.60, 1,507,822,793.40 and 746,934,869.60 is: 1,120,402,304.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,215,195.60 : 1,507,822,793.40 = 746,934,869.60 : x
  2. Step 2: Convert to fraction form
    1,005,215,195.60/1,507,822,793.40 = 746,934,869.60/x
  3. Step 3: Cross multiply
    1,005,215,195.60x = 1,507,822,793.40 × 746,934,869.60
  4. Step 4: Simplify right side
    1,005,215,195.60x = 1,126,245,421,568,136,832
  5. Step 5: Solve for x
    x = 1,126,245,421,568,136,832/1,005,215,195.60
  6. Step 6: Final answer
    x = 1,120,402,304.40

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Half scale
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Double scale
Find fourth proportional to 1,005,215,196.60, 1,507,822,794.90 and 746,934,870.60
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.