Home / 298,922,490.73-412,146,549.59-245,813,601.43

Finding the Fourth Proportional to 298,922,490.73, 412,146,549.59 and 245,813,601.43

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Solution

The fourth proportional to 298,922,490.73, 412,146,549.59 and 245,813,601.43 is: 338,921,395.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,922,490.73 : 412,146,549.59 = 245,813,601.43 : x
  2. Step 2: Convert to fraction form
    298,922,490.73/412,146,549.59 = 245,813,601.43/x
  3. Step 3: Cross multiply
    298,922,490.73x = 412,146,549.59 × 245,813,601.43
  4. Step 4: Simplify right side
    298,922,490.73x = 101,311,227,670,952,096
  5. Step 5: Solve for x
    x = 101,311,227,670,952,096/298,922,490.73
  6. Step 6: Final answer
    x = 338,921,395.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.