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Finding the Fourth Proportional to 28,747,014,713.90, 43,120,522,070.85 and 28,747,014,713.90

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Solution

The fourth proportional to 28,747,014,713.90, 43,120,522,070.85 and 28,747,014,713.90 is: 43,120,522,070.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,747,014,713.90 : 43,120,522,070.85 = 28,747,014,713.90 : x
  2. Step 2: Convert to fraction form
    28,747,014,713.90/43,120,522,070.85 = 28,747,014,713.90/x
  3. Step 3: Cross multiply
    28,747,014,713.90x = 43,120,522,070.85 × 28,747,014,713.90
  4. Step 4: Simplify right side
    28,747,014,713.90x = 1,239,586,282,441,774,727,168
  5. Step 5: Solve for x
    x = 1,239,586,282,441,774,727,168/28,747,014,713.90
  6. Step 6: Final answer
    x = 43,120,522,070.85

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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.