Home / 339,926,661.20-509,218,145.40-186,297,784.40

Finding the Fourth Proportional to 339,926,661.20, 509,218,145.40 and 186,297,784.40

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Solution

The fourth proportional to 339,926,661.20, 509,218,145.40 and 186,297,784.40 is: 279,078,469.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,926,661.20 : 509,218,145.40 = 186,297,784.40 : x
  2. Step 2: Convert to fraction form
    339,926,661.20/509,218,145.40 = 186,297,784.40/x
  3. Step 3: Cross multiply
    339,926,661.20x = 509,218,145.40 × 186,297,784.40
  4. Step 4: Simplify right side
    339,926,661.20x = 94,866,212,264,297,056
  5. Step 5: Solve for x
    x = 94,866,212,264,297,056/339,926,661.20
  6. Step 6: Final answer
    x = 279,078,469.25

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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.