Home / 1,259,384,356.82-1,737,735,171.94-730,627,133.87

Finding the Fourth Proportional to 1,259,384,356.82, 1,737,735,171.94 and 730,627,133.87

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Solution

The fourth proportional to 1,259,384,356.82, 1,737,735,171.94 and 730,627,133.87 is: 1,008,140,573.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,384,356.82 : 1,737,735,171.94 = 730,627,133.87 : x
  2. Step 2: Convert to fraction form
    1,259,384,356.82/1,737,735,171.94 = 730,627,133.87/x
  3. Step 3: Cross multiply
    1,259,384,356.82x = 1,737,735,171.94 × 730,627,133.87
  4. Step 4: Simplify right side
    1,259,384,356.82x = 1,269,636,468,104,907,776
  5. Step 5: Solve for x
    x = 1,269,636,468,104,907,776/1,259,384,356.82
  6. Step 6: Final answer
    x = 1,008,140,573.79

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Why These Related Problems?

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