Home / 848,374,013.79-1,170,737,793.72-491,156,853.02

Finding the Fourth Proportional to 848,374,013.79, 1,170,737,793.72 and 491,156,853.02

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Solution

The fourth proportional to 848,374,013.79, 1,170,737,793.72 and 491,156,853.02 is: 677,785,836.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,374,013.79 : 1,170,737,793.72 = 491,156,853.02 : x
  2. Step 2: Convert to fraction form
    848,374,013.79/1,170,737,793.72 = 491,156,853.02/x
  3. Step 3: Cross multiply
    848,374,013.79x = 1,170,737,793.72 × 491,156,853.02
  4. Step 4: Simplify right side
    848,374,013.79x = 575,015,890,469,239,424
  5. Step 5: Solve for x
    x = 575,015,890,469,239,424/848,374,013.79
  6. Step 6: Final answer
    x = 677,785,836.34

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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.