Home / 298,922,494.65-412,146,554.98-245,813,605.35

Finding the Fourth Proportional to 298,922,494.65, 412,146,554.98 and 245,813,605.35

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Solution

The fourth proportional to 298,922,494.65, 412,146,554.98 and 245,813,605.35 is: 338,921,400.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,922,494.65 : 412,146,554.98 = 245,813,605.35 : x
  2. Step 2: Convert to fraction form
    298,922,494.65/412,146,554.98 = 245,813,605.35/x
  3. Step 3: Cross multiply
    298,922,494.65x = 412,146,554.98 × 245,813,605.35
  4. Step 4: Simplify right side
    298,922,494.65x = 101,311,230,612,215,792
  5. Step 5: Solve for x
    x = 101,311,230,612,215,792/298,922,494.65
  6. Step 6: Final answer
    x = 338,921,400.78

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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.