Home / 1,380,682,569.60-1,905,329,355.84-754,150,896

Finding the Fourth Proportional to 1,380,682,569.60, 1,905,329,355.84 and 754,150,896

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Solution

The fourth proportional to 1,380,682,569.60, 1,905,329,355.84 and 754,150,896 is: 1,040,721,359.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,682,569.60 : 1,905,329,355.84 = 754,150,896 : x
  2. Step 2: Convert to fraction form
    1,380,682,569.60/1,905,329,355.84 = 754,150,896/x
  3. Step 3: Cross multiply
    1,380,682,569.60x = 1,905,329,355.84 × 754,150,896
  4. Step 4: Simplify right side
    1,380,682,569.60x = 1,436,905,840,881,838,848
  5. Step 5: Solve for x
    x = 1,436,905,840,881,838,848/1,380,682,569.60
  6. Step 6: Final answer
    x = 1,040,721,359.51

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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.