Home / 1,273,640,579,544.70-1,910,729,218,761.90-413,047,644,925.71

Finding the Fourth Proportional to 1,273,640,579,544.70, 1,910,729,218,761.90 and 413,047,644,925.71

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Solution

The fourth proportional to 1,273,640,579,544.70, 1,910,729,218,761.90 and 413,047,644,925.71 is: 619,658,494,378.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273,640,579,544.70 : 1,910,729,218,761.90 = 413,047,644,925.71 : x
  2. Step 2: Convert to fraction form
    1,273,640,579,544.70/1,910,729,218,761.90 = 413,047,644,925.71/x
  3. Step 3: Cross multiply
    1,273,640,579,544.70x = 1,910,729,218,761.90 × 413,047,644,925.71
  4. Step 4: Simplify right side
    1,273,640,579,544.70x = 789,222,203,900,344,510,971,904
  5. Step 5: Solve for x
    x = 789,222,203,900,344,510,971,904/1,273,640,579,544.70
  6. Step 6: Final answer
    x = 619,658,494,378.75

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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.