Home / 776,613,143.33-1,071,719,062.99-424,189,040.64

Finding the Fourth Proportional to 776,613,143.33, 1,071,719,062.99 and 424,189,040.64

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Solution

The fourth proportional to 776,613,143.33, 1,071,719,062.99 and 424,189,040.64 is: 585,377,011.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,613,143.33 : 1,071,719,062.99 = 424,189,040.64 : x
  2. Step 2: Convert to fraction form
    776,613,143.33/1,071,719,062.99 = 424,189,040.64/x
  3. Step 3: Cross multiply
    776,613,143.33x = 1,071,719,062.99 × 424,189,040.64
  4. Step 4: Simplify right side
    776,613,143.33x = 454,611,481,162,623,936
  5. Step 5: Solve for x
    x = 454,611,481,162,623,936/776,613,143.33
  6. Step 6: Final answer
    x = 585,377,011.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.