Home / 1,819,227,287.80-2,728,840,931.70-654,733,768.60

Finding the Fourth Proportional to 1,819,227,287.80, 2,728,840,931.70 and 654,733,768.60

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Solution

The fourth proportional to 1,819,227,287.80, 2,728,840,931.70 and 654,733,768.60 is: 982,100,652.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,819,227,287.80 : 2,728,840,931.70 = 654,733,768.60 : x
  2. Step 2: Convert to fraction form
    1,819,227,287.80/2,728,840,931.70 = 654,733,768.60/x
  3. Step 3: Cross multiply
    1,819,227,287.80x = 2,728,840,931.70 × 654,733,768.60
  4. Step 4: Simplify right side
    1,819,227,287.80x = 1,786,664,307,121,876,224
  5. Step 5: Solve for x
    x = 1,786,664,307,121,876,224/1,819,227,287.80
  6. Step 6: Final answer
    x = 982,100,652.90

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Double scale
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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.