Home / 1,491,203,429.28-2,236,816,351.89-661,934,131.92

Finding the Fourth Proportional to 1,491,203,429.28, 2,236,816,351.89 and 661,934,131.92

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Solution

The fourth proportional to 1,491,203,429.28, 2,236,816,351.89 and 661,934,131.92 is: 992,906,173.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491,203,429.28 : 2,236,816,351.89 = 661,934,131.92 : x
  2. Step 2: Convert to fraction form
    1,491,203,429.28/2,236,816,351.89 = 661,934,131.92/x
  3. Step 3: Cross multiply
    1,491,203,429.28x = 2,236,816,351.89 × 661,934,131.92
  4. Step 4: Simplify right side
    1,491,203,429.28x = 1,480,625,090,152,768,256
  5. Step 5: Solve for x
    x = 1,480,625,090,152,768,256/1,491,203,429.28
  6. Step 6: Final answer
    x = 992,906,173.01

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.