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Finding the Fourth Proportional to 21,452,616,089.60, 32,178,924,134.40 and 21,452,616,089.60

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Solution

The fourth proportional to 21,452,616,089.60, 32,178,924,134.40 and 21,452,616,089.60 is: 32,178,924,134.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,452,616,089.60 : 32,178,924,134.40 = 21,452,616,089.60 : x
  2. Step 2: Convert to fraction form
    21,452,616,089.60/32,178,924,134.40 = 21,452,616,089.60/x
  3. Step 3: Cross multiply
    21,452,616,089.60x = 32,178,924,134.40 × 21,452,616,089.60
  4. Step 4: Simplify right side
    21,452,616,089.60x = 690,322,105,631,647,203,328
  5. Step 5: Solve for x
    x = 690,322,105,631,647,203,328/21,452,616,089.60
  6. Step 6: Final answer
    x = 32,178,924,134.40

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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.