Home / 722,302,469.34-996,783,266.16-392,279,970.30

Finding the Fourth Proportional to 722,302,469.34, 996,783,266.16 and 392,279,970.30

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Solution

The fourth proportional to 722,302,469.34, 996,783,266.16 and 392,279,970.30 is: 541,349,540.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,302,469.34 : 996,783,266.16 = 392,279,970.30 : x
  2. Step 2: Convert to fraction form
    722,302,469.34/996,783,266.16 = 392,279,970.30/x
  3. Step 3: Cross multiply
    722,302,469.34x = 996,783,266.16 × 392,279,970.30
  4. Step 4: Simplify right side
    722,302,469.34x = 391,018,110,044,781,824
  5. Step 5: Solve for x
    x = 391,018,110,044,781,824/722,302,469.34
  6. Step 6: Final answer
    x = 541,349,540.73

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1.5x scale

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.