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Finding the Fourth Proportional to 14,161,684,920.60, 21,242,527,380.90 and 14,161,684,920.60

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Solution

The fourth proportional to 14,161,684,920.60, 21,242,527,380.90 and 14,161,684,920.60 is: 21,242,527,380.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,161,684,920.60 : 21,242,527,380.90 = 14,161,684,920.60 : x
  2. Step 2: Convert to fraction form
    14,161,684,920.60/21,242,527,380.90 = 14,161,684,920.60/x
  3. Step 3: Cross multiply
    14,161,684,920.60x = 21,242,527,380.90 × 14,161,684,920.60
  4. Step 4: Simplify right side
    14,161,684,920.60x = 300,829,979,685,524,144,128
  5. Step 5: Solve for x
    x = 300,829,979,685,524,144,128/14,161,684,920.60
  6. Step 6: Final answer
    x = 21,242,527,380.90

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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.