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Finding the Fourth Proportional to 189,171,690, 283,757,535 and 45,564,522

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Solution

The fourth proportional to 189,171,690, 283,757,535 and 45,564,522 is: 68,346,783

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,171,690 : 283,757,535 = 45,564,522 : x
  2. Step 2: Convert to fraction form
    189,171,690/283,757,535 = 45,564,522/x
  3. Step 3: Cross multiply
    189,171,690x = 283,757,535 × 45,564,522
  4. Step 4: Simplify right side
    189,171,690x = 12,929,276,446,173,270
  5. Step 5: Solve for x
    x = 12,929,276,446,173,270/189,171,690
  6. Step 6: Final answer
    x = 68,346,783

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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.