Home / 259,517,445,801.66-389,388,036,112.62-140,111,062,335.36

Finding the Fourth Proportional to 259,517,445,801.66, 389,388,036,112.62 and 140,111,062,335.36

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Solution

The fourth proportional to 259,517,445,801.66, 389,388,036,112.62 and 140,111,062,335.36 is: 210,226,989,680.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,517,445,801.66 : 389,388,036,112.62 = 140,111,062,335.36 : x
  2. Step 2: Convert to fraction form
    259,517,445,801.66/389,388,036,112.62 = 140,111,062,335.36/x
  3. Step 3: Cross multiply
    259,517,445,801.66x = 389,388,036,112.62 × 140,111,062,335.36
  4. Step 4: Simplify right side
    259,517,445,801.66x = 54,557,571,400,418,709,209,088
  5. Step 5: Solve for x
    x = 54,557,571,400,418,709,209,088/259,517,445,801.66
  6. Step 6: Final answer
    x = 210,226,989,680.36

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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.