Home / 512,573,474.24-707,347,108.32-277,618,679.36

Finding the Fourth Proportional to 512,573,474.24, 707,347,108.32 and 277,618,679.36

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Solution

The fourth proportional to 512,573,474.24, 707,347,108.32 and 277,618,679.36 is: 383,111,456.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,573,474.24 : 707,347,108.32 = 277,618,679.36 : x
  2. Step 2: Convert to fraction form
    512,573,474.24/707,347,108.32 = 277,618,679.36/x
  3. Step 3: Cross multiply
    512,573,474.24x = 707,347,108.32 × 277,618,679.36
  4. Step 4: Simplify right side
    512,573,474.24x = 196,372,770,060,913,280
  5. Step 5: Solve for x
    x = 196,372,770,060,913,280/512,573,474.24
  6. Step 6: Final answer
    x = 383,111,456.07

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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.