Home / 3,932,267,841.36-5,427,822,824.34-3,129,967,015.89

Finding the Fourth Proportional to 3,932,267,841.36, 5,427,822,824.34 and 3,129,967,015.89

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Solution

The fourth proportional to 3,932,267,841.36, 5,427,822,824.34 and 3,129,967,015.89 is: 4,320,383,832.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,932,267,841.36 : 5,427,822,824.34 = 3,129,967,015.89 : x
  2. Step 2: Convert to fraction form
    3,932,267,841.36/5,427,822,824.34 = 3,129,967,015.89/x
  3. Step 3: Cross multiply
    3,932,267,841.36x = 5,427,822,824.34 × 3,129,967,015.89
  4. Step 4: Simplify right side
    3,932,267,841.36x = 16,988,906,408,279,101,440
  5. Step 5: Solve for x
    x = 16,988,906,408,279,101,440/3,932,267,841.36
  6. Step 6: Final answer
    x = 4,320,383,832.86

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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.