Home / 343,898,426.91-515,370,393.30-156,694,869.63

Finding the Fourth Proportional to 343,898,426.91, 515,370,393.30 and 156,694,869.63

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Solution

The fourth proportional to 343,898,426.91, 515,370,393.30 and 156,694,869.63 is: 234,824,850.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,898,426.91 : 515,370,393.30 = 156,694,869.63 : x
  2. Step 2: Convert to fraction form
    343,898,426.91/515,370,393.30 = 156,694,869.63/x
  3. Step 3: Cross multiply
    343,898,426.91x = 515,370,393.30 × 156,694,869.63
  4. Step 4: Simplify right side
    343,898,426.91x = 80,755,896,589,305,328
  5. Step 5: Solve for x
    x = 80,755,896,589,305,328/343,898,426.91
  6. Step 6: Final answer
    x = 234,824,850.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.