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Finding the Fourth Proportional to 136,777,681,390.80, 205,166,522,086.20 and 136,777,681,390.80

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Solution

The fourth proportional to 136,777,681,390.80, 205,166,522,086.20 and 136,777,681,390.80 is: 205,166,522,086.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,777,681,390.80 : 205,166,522,086.20 = 136,777,681,390.80 : x
  2. Step 2: Convert to fraction form
    136,777,681,390.80/205,166,522,086.20 = 136,777,681,390.80/x
  3. Step 3: Cross multiply
    136,777,681,390.80x = 205,166,522,086.20 × 136,777,681,390.80
  4. Step 4: Simplify right side
    136,777,681,390.80x = 28,062,201,189,964,795,871,232
  5. Step 5: Solve for x
    x = 28,062,201,189,964,795,871,232/136,777,681,390.80
  6. Step 6: Final answer
    x = 205,166,522,086.20

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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.