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Finding the Fourth Proportional to 189,451,213.70, 284,176,820.55 and 189,451,213.70

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Solution

The fourth proportional to 189,451,213.70, 284,176,820.55 and 189,451,213.70 is: 284,176,820.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,451,213.70 : 284,176,820.55 = 189,451,213.70 : x
  2. Step 2: Convert to fraction form
    189,451,213.70/284,176,820.55 = 189,451,213.70/x
  3. Step 3: Cross multiply
    189,451,213.70x = 284,176,820.55 × 189,451,213.70
  4. Step 4: Simplify right side
    189,451,213.70x = 53,837,643,558,604,600
  5. Step 5: Solve for x
    x = 53,837,643,558,604,600/189,451,213.70
  6. Step 6: Final answer
    x = 284,176,820.55

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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.