Home / 738,985,135.62-1,019,757,994.86-404,456,976.48

Finding the Fourth Proportional to 738,985,135.62, 1,019,757,994.86 and 404,456,976.48

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Solution

The fourth proportional to 738,985,135.62, 1,019,757,994.86 and 404,456,976.48 is: 558,127,918.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,985,135.62 : 1,019,757,994.86 = 404,456,976.48 : x
  2. Step 2: Convert to fraction form
    738,985,135.62/1,019,757,994.86 = 404,456,976.48/x
  3. Step 3: Cross multiply
    738,985,135.62x = 1,019,757,994.86 × 404,456,976.48
  4. Step 4: Simplify right side
    738,985,135.62x = 412,448,235,342,382,976
  5. Step 5: Solve for x
    x = 412,448,235,342,382,976/738,985,135.62
  6. Step 6: Final answer
    x = 558,127,918.22

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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.