Home / 422,962,487.46-634,300,049.61-146,549,190.42

Finding the Fourth Proportional to 422,962,487.46, 634,300,049.61 and 146,549,190.42

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Solution

The fourth proportional to 422,962,487.46, 634,300,049.61 and 146,549,190.42 is: 219,774,002.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,962,487.46 : 634,300,049.61 = 146,549,190.42 : x
  2. Step 2: Convert to fraction form
    422,962,487.46/634,300,049.61 = 146,549,190.42/x
  3. Step 3: Cross multiply
    422,962,487.46x = 634,300,049.61 × 146,549,190.42
  4. Step 4: Simplify right side
    422,962,487.46x = 92,956,158,753,711,328
  5. Step 5: Solve for x
    x = 92,956,158,753,711,328/422,962,487.46
  6. Step 6: Final answer
    x = 219,774,002.45

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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.