Home / 334,102,932-461,056,389.12-187,422,066.72

Finding the Fourth Proportional to 334,102,932, 461,056,389.12 and 187,422,066.72

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Solution

The fourth proportional to 334,102,932, 461,056,389.12 and 187,422,066.72 is: 258,639,278.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,102,932 : 461,056,389.12 = 187,422,066.72 : x
  2. Step 2: Convert to fraction form
    334,102,932/461,056,389.12 = 187,422,066.72/x
  3. Step 3: Cross multiply
    334,102,932x = 461,056,389.12 × 187,422,066.72
  4. Step 4: Simplify right side
    334,102,932x = 86,412,141,323,330,928
  5. Step 5: Solve for x
    x = 86,412,141,323,330,928/334,102,932
  6. Step 6: Final answer
    x = 258,639,278.64

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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.