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Finding the Fourth Proportional to 16,766,479,681.60, 25,149,719,522.40 and 16,766,479,681.60

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Solution

The fourth proportional to 16,766,479,681.60, 25,149,719,522.40 and 16,766,479,681.60 is: 25,149,719,522.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,766,479,681.60 : 25,149,719,522.40 = 16,766,479,681.60 : x
  2. Step 2: Convert to fraction form
    16,766,479,681.60/25,149,719,522.40 = 16,766,479,681.60/x
  3. Step 3: Cross multiply
    16,766,479,681.60x = 25,149,719,522.40 × 16,766,479,681.60
  4. Step 4: Simplify right side
    16,766,479,681.60x = 421,672,261,370,258,522,112
  5. Step 5: Solve for x
    x = 421,672,261,370,258,522,112/16,766,479,681.60
  6. Step 6: Final answer
    x = 25,149,719,522.40

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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.