Home / 1,273,640,579,602.80-1,910,729,218,848.70-413,047,644,983.86

Finding the Fourth Proportional to 1,273,640,579,602.80, 1,910,729,218,848.70 and 413,047,644,983.86

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Solution

The fourth proportional to 1,273,640,579,602.80, 1,910,729,218,848.70 and 413,047,644,983.86 is: 619,658,494,465.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273,640,579,602.80 : 1,910,729,218,848.70 = 413,047,644,983.86 : x
  2. Step 2: Convert to fraction form
    1,273,640,579,602.80/1,910,729,218,848.70 = 413,047,644,983.86/x
  3. Step 3: Cross multiply
    1,273,640,579,602.80x = 1,910,729,218,848.70 × 413,047,644,983.86
  4. Step 4: Simplify right side
    1,273,640,579,602.80x = 789,222,204,047,305,943,810,048
  5. Step 5: Solve for x
    x = 789,222,204,047,305,943,810,048/1,273,640,579,602.80
  6. Step 6: Final answer
    x = 619,658,494,465.87

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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.