Home / 535,240,751.82-737,256,015.09-378,338,110.98

Finding the Fourth Proportional to 535,240,751.82, 737,256,015.09 and 378,338,110.98

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Solution

The fourth proportional to 535,240,751.82, 737,256,015.09 and 378,338,110.98 is: 521,133,802.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,240,751.82 : 737,256,015.09 = 378,338,110.98 : x
  2. Step 2: Convert to fraction form
    535,240,751.82/737,256,015.09 = 378,338,110.98/x
  3. Step 3: Cross multiply
    535,240,751.82x = 737,256,015.09 × 378,338,110.98
  4. Step 4: Simplify right side
    535,240,751.82x = 278,932,048,057,792,992
  5. Step 5: Solve for x
    x = 278,932,048,057,792,992/535,240,751.82
  6. Step 6: Final answer
    x = 521,133,802.14

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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.