Home / 394,733,999.70-592,100,999.55-107,519,663.70

Finding the Fourth Proportional to 394,733,999.70, 592,100,999.55 and 107,519,663.70

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Solution

The fourth proportional to 394,733,999.70, 592,100,999.55 and 107,519,663.70 is: 161,279,495.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,733,999.70 : 592,100,999.55 = 107,519,663.70 : x
  2. Step 2: Convert to fraction form
    394,733,999.70/592,100,999.55 = 107,519,663.70/x
  3. Step 3: Cross multiply
    394,733,999.70x = 592,100,999.55 × 107,519,663.70
  4. Step 4: Simplify right side
    394,733,999.70x = 63,662,500,348,049,848
  5. Step 5: Solve for x
    x = 63,662,500,348,049,848/394,733,999.70
  6. Step 6: Final answer
    x = 161,279,495.55

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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.