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Finding the Fourth Proportional to 7,728,037,687.30, 11,592,056,530.95 and 7,728,037,687.30

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Solution

The fourth proportional to 7,728,037,687.30, 11,592,056,530.95 and 7,728,037,687.30 is: 11,592,056,530.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,728,037,687.30 : 11,592,056,530.95 = 7,728,037,687.30 : x
  2. Step 2: Convert to fraction form
    7,728,037,687.30/11,592,056,530.95 = 7,728,037,687.30/x
  3. Step 3: Cross multiply
    7,728,037,687.30x = 11,592,056,530.95 × 7,728,037,687.30
  4. Step 4: Simplify right side
    7,728,037,687.30x = 89,583,849,744,493,707,264
  5. Step 5: Solve for x
    x = 89,583,849,744,493,707,264/7,728,037,687.30
  6. Step 6: Final answer
    x = 11,592,056,530.95

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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.