Home / 12,105,851,856.52-18,158,131,788.72-3,262,548,826.32

Finding the Fourth Proportional to 12,105,851,856.52, 18,158,131,788.72 and 3,262,548,826.32

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Solution

The fourth proportional to 12,105,851,856.52, 18,158,131,788.72 and 3,262,548,826.32 is: 4,893,649,142.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,105,851,856.52 : 18,158,131,788.72 = 3,262,548,826.32 : x
  2. Step 2: Convert to fraction form
    12,105,851,856.52/18,158,131,788.72 = 3,262,548,826.32/x
  3. Step 3: Cross multiply
    12,105,851,856.52x = 18,158,131,788.72 × 3,262,548,826.32
  4. Step 4: Simplify right side
    12,105,851,856.52x = 59,241,791,555,452,321,792
  5. Step 5: Solve for x
    x = 59,241,791,555,452,321,792/12,105,851,856.52
  6. Step 6: Final answer
    x = 4,893,649,142.38

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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.