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Finding the Fourth Proportional to 7,672,771,318.60, 11,509,156,977.90 and 7,672,771,318.60

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Solution

The fourth proportional to 7,672,771,318.60, 11,509,156,977.90 and 7,672,771,318.60 is: 11,509,156,977.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,672,771,318.60 : 11,509,156,977.90 = 7,672,771,318.60 : x
  2. Step 2: Convert to fraction form
    7,672,771,318.60/11,509,156,977.90 = 7,672,771,318.60/x
  3. Step 3: Cross multiply
    7,672,771,318.60x = 11,509,156,977.90 × 7,672,771,318.60
  4. Step 4: Simplify right side
    7,672,771,318.60x = 88,307,129,561,296,175,104
  5. Step 5: Solve for x
    x = 88,307,129,561,296,175,104/7,672,771,318.60
  6. Step 6: Final answer
    x = 11,509,156,977.90

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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.