Home / 1,304,814,952.20-1,957,222,428.30-724,339,662.60

Finding the Fourth Proportional to 1,304,814,952.20, 1,957,222,428.30 and 724,339,662.60

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Solution

The fourth proportional to 1,304,814,952.20, 1,957,222,428.30 and 724,339,662.60 is: 1,086,509,493.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,304,814,952.20 : 1,957,222,428.30 = 724,339,662.60 : x
  2. Step 2: Convert to fraction form
    1,304,814,952.20/1,957,222,428.30 = 724,339,662.60/x
  3. Step 3: Cross multiply
    1,304,814,952.20x = 1,957,222,428.30 × 724,339,662.60
  4. Step 4: Simplify right side
    1,304,814,952.20x = 1,417,693,833,347,974,656
  5. Step 5: Solve for x
    x = 1,417,693,833,347,974,656/1,304,814,952.20
  6. Step 6: Final answer
    x = 1,086,509,493.90

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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.