Home / 298,432,487-447,153,841.56-181,494,136.46

Finding the Fourth Proportional to 298,432,487, 447,153,841.56 and 181,494,136.46

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Solution

The fourth proportional to 298,432,487, 447,153,841.56 and 181,494,136.46 is: 271,940,233.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,432,487 : 447,153,841.56 = 181,494,136.46 : x
  2. Step 2: Convert to fraction form
    298,432,487/447,153,841.56 = 181,494,136.46/x
  3. Step 3: Cross multiply
    298,432,487x = 447,153,841.56 × 181,494,136.46
  4. Step 4: Simplify right side
    298,432,487x = 81,155,800,338,703,856
  5. Step 5: Solve for x
    x = 81,155,800,338,703,856/298,432,487
  6. Step 6: Final answer
    x = 271,940,233.97

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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.