Home / 1,245,458,317,361.10-1,867,998,715,710.30-338,966,764,665.14

Finding the Fourth Proportional to 1,245,458,317,361.10, 1,867,998,715,710.30 and 338,966,764,665.14

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Solution

The fourth proportional to 1,245,458,317,361.10, 1,867,998,715,710.30 and 338,966,764,665.14 is: 508,398,773,557.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,458,317,361.10 : 1,867,998,715,710.30 = 338,966,764,665.14 : x
  2. Step 2: Convert to fraction form
    1,245,458,317,361.10/1,867,998,715,710.30 = 338,966,764,665.14/x
  3. Step 3: Cross multiply
    1,245,458,317,361.10x = 1,867,998,715,710.30 × 338,966,764,665.14
  4. Step 4: Simplify right side
    1,245,458,317,361.10x = 633,189,481,062,957,116,817,408
  5. Step 5: Solve for x
    x = 633,189,481,062,957,116,817,408/1,245,458,317,361.10
  6. Step 6: Final answer
    x = 508,398,773,557.17

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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.