Home / 526,966,568.82-726,975,401.49-318,055,930.74

Finding the Fourth Proportional to 526,966,568.82, 726,975,401.49 and 318,055,930.74

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Solution

The fourth proportional to 526,966,568.82, 726,975,401.49 and 318,055,930.74 is: 438,773,257.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,966,568.82 : 726,975,401.49 = 318,055,930.74 : x
  2. Step 2: Convert to fraction form
    526,966,568.82/726,975,401.49 = 318,055,930.74/x
  3. Step 3: Cross multiply
    526,966,568.82x = 726,975,401.49 × 318,055,930.74
  4. Step 4: Simplify right side
    526,966,568.82x = 231,218,837,945,987,136
  5. Step 5: Solve for x
    x = 231,218,837,945,987,136/526,966,568.82
  6. Step 6: Final answer
    x = 438,773,257.41

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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.