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Finding the Fourth Proportional to 327,446,437,985.40, 491,169,656,978.10 and 327,446,437,985.40

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Solution

The fourth proportional to 327,446,437,985.40, 491,169,656,978.10 and 327,446,437,985.40 is: 491,169,656,978.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,446,437,985.40 : 491,169,656,978.10 = 327,446,437,985.40 : x
  2. Step 2: Convert to fraction form
    327,446,437,985.40/491,169,656,978.10 = 327,446,437,985.40/x
  3. Step 3: Cross multiply
    327,446,437,985.40x = 491,169,656,978.10 × 327,446,437,985.40
  4. Step 4: Simplify right side
    327,446,437,985.40x = 160,831,754,623,989,621,719,040
  5. Step 5: Solve for x
    x = 160,831,754,623,989,621,719,040/327,446,437,985.40
  6. Step 6: Final answer
    x = 491,169,656,978.10

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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.