Home / 404,690,115.14-558,239,251.02-243,641,990

Finding the Fourth Proportional to 404,690,115.14, 558,239,251.02 and 243,641,990

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Solution

The fourth proportional to 404,690,115.14, 558,239,251.02 and 243,641,990 is: 336,085,604.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,690,115.14 : 558,239,251.02 = 243,641,990 : x
  2. Step 2: Convert to fraction form
    404,690,115.14/558,239,251.02 = 243,641,990/x
  3. Step 3: Cross multiply
    404,690,115.14x = 558,239,251.02 × 243,641,990
  4. Step 4: Simplify right side
    404,690,115.14x = 136,010,522,014,622,320
  5. Step 5: Solve for x
    x = 136,010,522,014,622,320/404,690,115.14
  6. Step 6: Final answer
    x = 336,085,604.58

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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.