Home / 339,926,579.20-509,218,022.40-186,297,702.40

Finding the Fourth Proportional to 339,926,579.20, 509,218,022.40 and 186,297,702.40

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Solution

The fourth proportional to 339,926,579.20, 509,218,022.40 and 186,297,702.40 is: 279,078,346.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,926,579.20 : 509,218,022.40 = 186,297,702.40 : x
  2. Step 2: Convert to fraction form
    339,926,579.20/509,218,022.40 = 186,297,702.40/x
  3. Step 3: Cross multiply
    339,926,579.20x = 509,218,022.40 × 186,297,702.40
  4. Step 4: Simplify right side
    339,926,579.20x = 94,866,147,593,791,728
  5. Step 5: Solve for x
    x = 94,866,147,593,791,728/339,926,579.20
  6. Step 6: Final answer
    x = 279,078,346.32

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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.