Home / 512,489,419.45-707,231,877.24-277,534,703.26

Finding the Fourth Proportional to 512,489,419.45, 707,231,877.24 and 277,534,703.26

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Solution

The fourth proportional to 512,489,419.45, 707,231,877.24 and 277,534,703.26 is: 382,995,983.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,489,419.45 : 707,231,877.24 = 277,534,703.26 : x
  2. Step 2: Convert to fraction form
    512,489,419.45/707,231,877.24 = 277,534,703.26/x
  3. Step 3: Cross multiply
    512,489,419.45x = 707,231,877.24 × 277,534,703.26
  4. Step 4: Simplify right side
    512,489,419.45x = 196,281,389,185,816,128
  5. Step 5: Solve for x
    x = 196,281,389,185,816,128/512,489,419.45
  6. Step 6: Final answer
    x = 382,995,983.40

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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.