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Finding the Fourth Proportional to 21,641,465,115.20, 32,462,197,672.80 and 21,641,465,115.20

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Solution

The fourth proportional to 21,641,465,115.20, 32,462,197,672.80 and 21,641,465,115.20 is: 32,462,197,672.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,641,465,115.20 : 32,462,197,672.80 = 21,641,465,115.20 : x
  2. Step 2: Convert to fraction form
    21,641,465,115.20/32,462,197,672.80 = 21,641,465,115.20/x
  3. Step 3: Cross multiply
    21,641,465,115.20x = 32,462,197,672.80 × 21,641,465,115.20
  4. Step 4: Simplify right side
    21,641,465,115.20x = 702,529,518,498,627,846,144
  5. Step 5: Solve for x
    x = 702,529,518,498,627,846,144/21,641,465,115.20
  6. Step 6: Final answer
    x = 32,462,197,672.80

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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.