Home / 746,703,039.60-1,119,097,965.60-664,435,972.80

Finding the Fourth Proportional to 746,703,039.60, 1,119,097,965.60 and 664,435,972.80

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Solution

The fourth proportional to 746,703,039.60, 1,119,097,965.60 and 664,435,972.80 is: 995,802,756.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,703,039.60 : 1,119,097,965.60 = 664,435,972.80 : x
  2. Step 2: Convert to fraction form
    746,703,039.60/1,119,097,965.60 = 664,435,972.80/x
  3. Step 3: Cross multiply
    746,703,039.60x = 1,119,097,965.60 × 664,435,972.80
  4. Step 4: Simplify right side
    746,703,039.60x = 743,568,945,431,936,768
  5. Step 5: Solve for x
    x = 743,568,945,431,936,768/746,703,039.60
  6. Step 6: Final answer
    x = 995,802,756.92

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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.