Home / 664,006,003.80-996,009,005.70-233,184,499.80

Finding the Fourth Proportional to 664,006,003.80, 996,009,005.70 and 233,184,499.80

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Solution

The fourth proportional to 664,006,003.80, 996,009,005.70 and 233,184,499.80 is: 349,776,749.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,006,003.80 : 996,009,005.70 = 233,184,499.80 : x
  2. Step 2: Convert to fraction form
    664,006,003.80/996,009,005.70 = 233,184,499.80/x
  3. Step 3: Cross multiply
    664,006,003.80x = 996,009,005.70 × 233,184,499.80
  4. Step 4: Simplify right side
    664,006,003.80x = 232,253,861,790,449,856
  5. Step 5: Solve for x
    x = 232,253,861,790,449,856/664,006,003.80
  6. Step 6: Final answer
    x = 349,776,749.70

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Similar ratio
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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.