Home / 848,479,616.78-1,170,766,961.37-477,129,932.78

Finding the Fourth Proportional to 848,479,616.78, 1,170,766,961.37 and 477,129,932.78

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Solution

The fourth proportional to 848,479,616.78, 1,170,766,961.37 and 477,129,932.78 is: 658,363,442.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,479,616.78 : 1,170,766,961.37 = 477,129,932.78 : x
  2. Step 2: Convert to fraction form
    848,479,616.78/1,170,766,961.37 = 477,129,932.78/x
  3. Step 3: Cross multiply
    848,479,616.78x = 1,170,766,961.37 × 477,129,932.78
  4. Step 4: Simplify right side
    848,479,616.78x = 558,607,961,579,512,896
  5. Step 5: Solve for x
    x = 558,607,961,579,512,896/848,479,616.78
  6. Step 6: Final answer
    x = 658,363,442.72

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Double scale
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1.5x scale

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.