Home / 3,868,318,492.72-5,338,297,597.68-2,197,659,307.48

Finding the Fourth Proportional to 3,868,318,492.72, 5,338,297,597.68 and 2,197,659,307.48

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Solution

The fourth proportional to 3,868,318,492.72, 5,338,297,597.68 and 2,197,659,307.48 is: 3,032,780,114.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,868,318,492.72 : 5,338,297,597.68 = 2,197,659,307.48 : x
  2. Step 2: Convert to fraction form
    3,868,318,492.72/5,338,297,597.68 = 2,197,659,307.48/x
  3. Step 3: Cross multiply
    3,868,318,492.72x = 5,338,297,597.68 × 2,197,659,307.48
  4. Step 4: Simplify right side
    3,868,318,492.72x = 11,731,759,401,639,577,600
  5. Step 5: Solve for x
    x = 11,731,759,401,639,577,600/3,868,318,492.72
  6. Step 6: Final answer
    x = 3,032,780,114.59

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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.