Home / 339,926,815.20-509,218,376.40-186,297,938.40

Finding the Fourth Proportional to 339,926,815.20, 509,218,376.40 and 186,297,938.40

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Solution

The fourth proportional to 339,926,815.20, 509,218,376.40 and 186,297,938.40 is: 279,078,700.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,926,815.20 : 509,218,376.40 = 186,297,938.40 : x
  2. Step 2: Convert to fraction form
    339,926,815.20/509,218,376.40 = 186,297,938.40/x
  3. Step 3: Cross multiply
    339,926,815.20x = 509,218,376.40 × 186,297,938.40
  4. Step 4: Simplify right side
    339,926,815.20x = 94,866,333,718,715,216
  5. Step 5: Solve for x
    x = 94,866,333,718,715,216/339,926,815.20
  6. Step 6: Final answer
    x = 279,078,700.11

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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.