Home / 334,568,860.80-501,658,429.50-129,857,787.60

Finding the Fourth Proportional to 334,568,860.80, 501,658,429.50 and 129,857,787.60

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Solution

The fourth proportional to 334,568,860.80, 501,658,429.50 and 129,857,787.60 is: 194,711,048.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,568,860.80 : 501,658,429.50 = 129,857,787.60 : x
  2. Step 2: Convert to fraction form
    334,568,860.80/501,658,429.50 = 129,857,787.60/x
  3. Step 3: Cross multiply
    334,568,860.80x = 501,658,429.50 × 129,857,787.60
  4. Step 4: Simplify right side
    334,568,860.80x = 65,144,253,785,760,568
  5. Step 5: Solve for x
    x = 65,144,253,785,760,568/334,568,860.80
  6. Step 6: Final answer
    x = 194,711,048.81

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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.