Home / 715,802,860.44-987,792,461.94-414,400,949.37

Finding the Fourth Proportional to 715,802,860.44, 987,792,461.94 and 414,400,949.37

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Solution

The fourth proportional to 715,802,860.44, 987,792,461.94 and 414,400,949.37 is: 571,864,345.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,802,860.44 : 987,792,461.94 = 414,400,949.37 : x
  2. Step 2: Convert to fraction form
    715,802,860.44/987,792,461.94 = 414,400,949.37/x
  3. Step 3: Cross multiply
    715,802,860.44x = 987,792,461.94 × 414,400,949.37
  4. Step 4: Simplify right side
    715,802,860.44x = 409,342,134,008,465,600
  5. Step 5: Solve for x
    x = 409,342,134,008,465,600/715,802,860.44
  6. Step 6: Final answer
    x = 571,864,345.10

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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.