Home / 339,926,569.20-509,218,007.40-186,297,692.40

Finding the Fourth Proportional to 339,926,569.20, 509,218,007.40 and 186,297,692.40

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Solution

The fourth proportional to 339,926,569.20, 509,218,007.40 and 186,297,692.40 is: 279,078,331.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,926,569.20 : 509,218,007.40 = 186,297,692.40 : x
  2. Step 2: Convert to fraction form
    339,926,569.20/509,218,007.40 = 186,297,692.40/x
  3. Step 3: Cross multiply
    339,926,569.20x = 509,218,007.40 × 186,297,692.40
  4. Step 4: Simplify right side
    339,926,569.20x = 94,866,139,707,146,128
  5. Step 5: Solve for x
    x = 94,866,139,707,146,128/339,926,569.20
  6. Step 6: Final answer
    x = 279,078,331.33

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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.