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Finding the Fourth Proportional to 189,559,512, 284,339,268 and 45,952,344

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Solution

The fourth proportional to 189,559,512, 284,339,268 and 45,952,344 is: 68,928,516

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,559,512 : 284,339,268 = 45,952,344 : x
  2. Step 2: Convert to fraction form
    189,559,512/284,339,268 = 45,952,344/x
  3. Step 3: Cross multiply
    189,559,512x = 284,339,268 × 45,952,344
  4. Step 4: Simplify right side
    189,559,512x = 13,066,055,855,844,192
  5. Step 5: Solve for x
    x = 13,066,055,855,844,192/189,559,512
  6. Step 6: Final answer
    x = 68,928,516

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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.