Home / 298,922,496.17-412,146,557.07-245,813,606.87

Finding the Fourth Proportional to 298,922,496.17, 412,146,557.07 and 245,813,606.87

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Solution

The fourth proportional to 298,922,496.17, 412,146,557.07 and 245,813,606.87 is: 338,921,402.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,922,496.17 : 412,146,557.07 = 245,813,606.87 : x
  2. Step 2: Convert to fraction form
    298,922,496.17/412,146,557.07 = 245,813,606.87/x
  3. Step 3: Cross multiply
    298,922,496.17x = 412,146,557.07 × 245,813,606.87
  4. Step 4: Simplify right side
    298,922,496.17x = 101,311,231,750,368,272
  5. Step 5: Solve for x
    x = 101,311,231,750,368,272/298,922,496.17
  6. Step 6: Final answer
    x = 338,921,402.87

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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.