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Finding the Fourth Proportional to 862,166,795.40, 1,293,250,193.10 and 862,166,795.40

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Solution

The fourth proportional to 862,166,795.40, 1,293,250,193.10 and 862,166,795.40 is: 1,293,250,193.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,166,795.40 : 1,293,250,193.10 = 862,166,795.40 : x
  2. Step 2: Convert to fraction form
    862,166,795.40/1,293,250,193.10 = 862,166,795.40/x
  3. Step 3: Cross multiply
    862,166,795.40x = 1,293,250,193.10 × 862,166,795.40
  4. Step 4: Simplify right side
    862,166,795.40x = 1,114,997,374,635,458,048
  5. Step 5: Solve for x
    x = 1,114,997,374,635,458,048/862,166,795.40
  6. Step 6: Final answer
    x = 1,293,250,193.10

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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.