Home / 303,696,042.80-455,544,064.20-200,383,912.40

Finding the Fourth Proportional to 303,696,042.80, 455,544,064.20 and 200,383,912.40

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Solution

The fourth proportional to 303,696,042.80, 455,544,064.20 and 200,383,912.40 is: 300,575,868.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,696,042.80 : 455,544,064.20 = 200,383,912.40 : x
  2. Step 2: Convert to fraction form
    303,696,042.80/455,544,064.20 = 200,383,912.40/x
  3. Step 3: Cross multiply
    303,696,042.80x = 455,544,064.20 × 200,383,912.40
  4. Step 4: Simplify right side
    303,696,042.80x = 91,283,701,854,992,784
  5. Step 5: Solve for x
    x = 91,283,701,854,992,784/303,696,042.80
  6. Step 6: Final answer
    x = 300,575,868.60

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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.