Home / 340,086,467.61-469,304,227.49-189,386,896.28

Finding the Fourth Proportional to 340,086,467.61, 469,304,227.49 and 189,386,896.28

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Solution

The fourth proportional to 340,086,467.61, 469,304,227.49 and 189,386,896.28 is: 261,345,509.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,086,467.61 : 469,304,227.49 = 189,386,896.28 : x
  2. Step 2: Convert to fraction form
    340,086,467.61/469,304,227.49 = 189,386,896.28/x
  3. Step 3: Cross multiply
    340,086,467.61x = 469,304,227.49 × 189,386,896.28
  4. Step 4: Simplify right side
    340,086,467.61x = 88,880,071,052,120,704
  5. Step 5: Solve for x
    x = 88,880,071,052,120,704/340,086,467.61
  6. Step 6: Final answer
    x = 261,345,509.21

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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.