Home / 3,129,731,998.80-4,694,597,998.20-2,211,401,950.80

Finding the Fourth Proportional to 3,129,731,998.80, 4,694,597,998.20 and 2,211,401,950.80

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Solution

The fourth proportional to 3,129,731,998.80, 4,694,597,998.20 and 2,211,401,950.80 is: 3,317,102,926.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,129,731,998.80 : 4,694,597,998.20 = 2,211,401,950.80 : x
  2. Step 2: Convert to fraction form
    3,129,731,998.80/4,694,597,998.20 = 2,211,401,950.80/x
  3. Step 3: Cross multiply
    3,129,731,998.80x = 4,694,597,998.20 × 2,211,401,950.80
  4. Step 4: Simplify right side
    3,129,731,998.80x = 10,381,643,171,441,254,400
  5. Step 5: Solve for x
    x = 10,381,643,171,441,254,400/3,129,731,998.80
  6. Step 6: Final answer
    x = 3,317,102,926.20

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Half scale
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Double scale
Find fourth proportional to 3,129,731,999.80, 4,694,597,999.70 and 2,211,401,951.80
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.