Home / 512,483,261.36-707,223,204-277,528,471.34

Finding the Fourth Proportional to 512,483,261.36, 707,223,204 and 277,528,471.34

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Solution

The fourth proportional to 512,483,261.36, 707,223,204 and 277,528,471.34 is: 382,987,288.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,483,261.36 : 707,223,204 = 277,528,471.34 : x
  2. Step 2: Convert to fraction form
    512,483,261.36/707,223,204 = 277,528,471.34/x
  3. Step 3: Cross multiply
    512,483,261.36x = 707,223,204 × 277,528,471.34
  4. Step 4: Simplify right side
    512,483,261.36x = 196,274,574,698,760,832
  5. Step 5: Solve for x
    x = 196,274,574,698,760,832/512,483,261.36
  6. Step 6: Final answer
    x = 382,987,288.56

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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.