Home / 340,790,029.32-511,185,025.56-82,005,277.26

Finding the Fourth Proportional to 340,790,029.32, 511,185,025.56 and 82,005,277.26

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Solution

The fourth proportional to 340,790,029.32, 511,185,025.56 and 82,005,277.26 is: 123,007,911.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,790,029.32 : 511,185,025.56 = 82,005,277.26 : x
  2. Step 2: Convert to fraction form
    340,790,029.32/511,185,025.56 = 82,005,277.26/x
  3. Step 3: Cross multiply
    340,790,029.32x = 511,185,025.56 × 82,005,277.26
  4. Step 4: Simplify right side
    340,790,029.32x = 41,919,869,752,207,992
  5. Step 5: Solve for x
    x = 41,919,869,752,207,992/340,790,029.32
  6. Step 6: Final answer
    x = 123,007,911.46

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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.