Home / 303,696,008.80-455,544,013.20-200,383,878.40

Finding the Fourth Proportional to 303,696,008.80, 455,544,013.20 and 200,383,878.40

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Solution

The fourth proportional to 303,696,008.80, 455,544,013.20 and 200,383,878.40 is: 300,575,817.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,696,008.80 : 455,544,013.20 = 200,383,878.40 : x
  2. Step 2: Convert to fraction form
    303,696,008.80/455,544,013.20 = 200,383,878.40/x
  3. Step 3: Cross multiply
    303,696,008.80x = 455,544,013.20 × 200,383,878.40
  4. Step 4: Simplify right side
    303,696,008.80x = 91,283,676,146,916,800
  5. Step 5: Solve for x
    x = 91,283,676,146,916,800/303,696,008.80
  6. Step 6: Final answer
    x = 300,575,817.60

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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.