Home / 326,721,981.60-490,082,972.40-252,745,394.40

Finding the Fourth Proportional to 326,721,981.60, 490,082,972.40 and 252,745,394.40

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Solution

The fourth proportional to 326,721,981.60, 490,082,972.40 and 252,745,394.40 is: 379,118,091.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,721,981.60 : 490,082,972.40 = 252,745,394.40 : x
  2. Step 2: Convert to fraction form
    326,721,981.60/490,082,972.40 = 252,745,394.40/x
  3. Step 3: Cross multiply
    326,721,981.60x = 490,082,972.40 × 252,745,394.40
  4. Step 4: Simplify right side
    326,721,981.60x = 123,866,214,147,962,304
  5. Step 5: Solve for x
    x = 123,866,214,147,962,304/326,721,981.60
  6. Step 6: Final answer
    x = 379,118,091.60

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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.