Home / 1,643,219,949-2,267,886,920.94-1,040,446,605

Finding the Fourth Proportional to 1,643,219,949, 2,267,886,920.94 and 1,040,446,605

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Solution

The fourth proportional to 1,643,219,949, 2,267,886,920.94 and 1,040,446,605 is: 1,435,970,424.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,643,219,949 : 2,267,886,920.94 = 1,040,446,605 : x
  2. Step 2: Convert to fraction form
    1,643,219,949/2,267,886,920.94 = 1,040,446,605/x
  3. Step 3: Cross multiply
    1,643,219,949x = 2,267,886,920.94 × 1,040,446,605
  4. Step 4: Simplify right side
    1,643,219,949x = 2,359,615,247,415,926,272
  5. Step 5: Solve for x
    x = 2,359,615,247,415,926,272/1,643,219,949
  6. Step 6: Final answer
    x = 1,435,970,424.32

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.