Home / 412,158,105.50-617,730,654.86-190,529,655.54

Finding the Fourth Proportional to 412,158,105.50, 617,730,654.86 and 190,529,655.54

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Solution

The fourth proportional to 412,158,105.50, 617,730,654.86 and 190,529,655.54 is: 285,560,340.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,158,105.50 : 617,730,654.86 = 190,529,655.54 : x
  2. Step 2: Convert to fraction form
    412,158,105.50/617,730,654.86 = 190,529,655.54/x
  3. Step 3: Cross multiply
    412,158,105.50x = 617,730,654.86 × 190,529,655.54
  4. Step 4: Simplify right side
    412,158,105.50x = 117,696,008,889,091,856
  5. Step 5: Solve for x
    x = 117,696,008,889,091,856/412,158,105.50
  6. Step 6: Final answer
    x = 285,560,340.36

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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.