Home / 1,428,135,195.02-2,141,224,823.22-727,270,658.42

Finding the Fourth Proportional to 1,428,135,195.02, 2,141,224,823.22 and 727,270,658.42

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Solution

The fourth proportional to 1,428,135,195.02, 2,141,224,823.22 and 727,270,658.42 is: 1,090,407,961.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,428,135,195.02 : 2,141,224,823.22 = 727,270,658.42 : x
  2. Step 2: Convert to fraction form
    1,428,135,195.02/2,141,224,823.22 = 727,270,658.42/x
  3. Step 3: Cross multiply
    1,428,135,195.02x = 2,141,224,823.22 × 727,270,658.42
  4. Step 4: Simplify right side
    1,428,135,195.02x = 1,557,249,987,008,457,472
  5. Step 5: Solve for x
    x = 1,557,249,987,008,457,472/1,428,135,195.02
  6. Step 6: Final answer
    x = 1,090,407,961.68

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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.