Home / 1,273,640,579,595.90-1,910,729,218,838.40-413,047,644,976.86

Finding the Fourth Proportional to 1,273,640,579,595.90, 1,910,729,218,838.40 and 413,047,644,976.86

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Solution

The fourth proportional to 1,273,640,579,595.90, 1,910,729,218,838.40 and 413,047,644,976.86 is: 619,658,494,455.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273,640,579,595.90 : 1,910,729,218,838.40 = 413,047,644,976.86 : x
  2. Step 2: Convert to fraction form
    1,273,640,579,595.90/1,910,729,218,838.40 = 413,047,644,976.86/x
  3. Step 3: Cross multiply
    1,273,640,579,595.90x = 1,910,729,218,838.40 × 413,047,644,976.86
  4. Step 4: Simplify right side
    1,273,640,579,595.90x = 789,222,204,029,676,445,237,248
  5. Step 5: Solve for x
    x = 789,222,204,029,676,445,237,248/1,273,640,579,595.90
  6. Step 6: Final answer
    x = 619,658,494,455.38

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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.