Home / 512,037,760.23-706,612,109.91-277,088,420.63

Finding the Fourth Proportional to 512,037,760.23, 706,612,109.91 and 277,088,420.63

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Solution

The fourth proportional to 512,037,760.23, 706,612,109.91 and 277,088,420.63 is: 382,382,020.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,037,760.23 : 706,612,109.91 = 277,088,420.63 : x
  2. Step 2: Convert to fraction form
    512,037,760.23/706,612,109.91 = 277,088,420.63/x
  3. Step 3: Cross multiply
    512,037,760.23x = 706,612,109.91 × 277,088,420.63
  4. Step 4: Simplify right side
    512,037,760.23x = 195,794,033,529,460,800
  5. Step 5: Solve for x
    x = 195,794,033,529,460,800/512,037,760.23
  6. Step 6: Final answer
    x = 382,382,020.89

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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.