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Finding the Fourth Proportional to 7,662,438,010.20, 11,493,657,015.30 and 7,662,438,010.20

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Solution

The fourth proportional to 7,662,438,010.20, 11,493,657,015.30 and 7,662,438,010.20 is: 11,493,657,015.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,662,438,010.20 : 11,493,657,015.30 = 7,662,438,010.20 : x
  2. Step 2: Convert to fraction form
    7,662,438,010.20/11,493,657,015.30 = 7,662,438,010.20/x
  3. Step 3: Cross multiply
    7,662,438,010.20x = 11,493,657,015.30 × 7,662,438,010.20
  4. Step 4: Simplify right side
    7,662,438,010.20x = 88,069,434,390,236,594,176
  5. Step 5: Solve for x
    x = 88,069,434,390,236,594,176/7,662,438,010.20
  6. Step 6: Final answer
    x = 11,493,657,015.30

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Double scale
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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.