Home / 3,899,633,191.10-5,381,493,803.82-2,228,918,204.96

Finding the Fourth Proportional to 3,899,633,191.10, 5,381,493,803.82 and 2,228,918,204.96

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Solution

The fourth proportional to 3,899,633,191.10, 5,381,493,803.82 and 2,228,918,204.96 is: 3,075,907,122.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,899,633,191.10 : 5,381,493,803.82 = 2,228,918,204.96 : x
  2. Step 2: Convert to fraction form
    3,899,633,191.10/5,381,493,803.82 = 2,228,918,204.96/x
  3. Step 3: Cross multiply
    3,899,633,191.10x = 5,381,493,803.82 × 2,228,918,204.96
  4. Step 4: Simplify right side
    3,899,633,191.10x = 11,994,909,509,213,837,312
  5. Step 5: Solve for x
    x = 11,994,909,509,213,837,312/3,899,633,191.10
  6. Step 6: Final answer
    x = 3,075,907,122.90

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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.