Home / 3,219,341,444.60-4,829,012,166.90-1,979,595,879.80

Finding the Fourth Proportional to 3,219,341,444.60, 4,829,012,166.90 and 1,979,595,879.80

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Solution

The fourth proportional to 3,219,341,444.60, 4,829,012,166.90 and 1,979,595,879.80 is: 2,969,393,819.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,219,341,444.60 : 4,829,012,166.90 = 1,979,595,879.80 : x
  2. Step 2: Convert to fraction form
    3,219,341,444.60/4,829,012,166.90 = 1,979,595,879.80/x
  3. Step 3: Cross multiply
    3,219,341,444.60x = 4,829,012,166.90 × 1,979,595,879.80
  4. Step 4: Simplify right side
    3,219,341,444.60x = 9,559,492,589,099,309,056
  5. Step 5: Solve for x
    x = 9,559,492,589,099,309,056/3,219,341,444.60
  6. Step 6: Final answer
    x = 2,969,393,819.70

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Double scale
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Similar ratio
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1.5x scale

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.