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Finding the Fourth Proportional to 217,753,374,686.40, 326,630,062,029.60 and 217,753,374,686.40

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Solution

The fourth proportional to 217,753,374,686.40, 326,630,062,029.60 and 217,753,374,686.40 is: 326,630,062,029.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,753,374,686.40 : 326,630,062,029.60 = 217,753,374,686.40 : x
  2. Step 2: Convert to fraction form
    217,753,374,686.40/326,630,062,029.60 = 217,753,374,686.40/x
  3. Step 3: Cross multiply
    217,753,374,686.40x = 326,630,062,029.60 × 217,753,374,686.40
  4. Step 4: Simplify right side
    217,753,374,686.40x = 71,124,798,280,973,554,810,880
  5. Step 5: Solve for x
    x = 71,124,798,280,973,554,810,880/217,753,374,686.40
  6. Step 6: Final answer
    x = 326,630,062,029.60

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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.