Home / 374,412,755-561,159,152.94-210,305,546.60

Finding the Fourth Proportional to 374,412,755, 561,159,152.94 and 210,305,546.60

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Solution

The fourth proportional to 374,412,755, 561,159,152.94 and 210,305,546.60 is: 315,199,951.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,412,755 : 561,159,152.94 = 210,305,546.60 : x
  2. Step 2: Convert to fraction form
    374,412,755/561,159,152.94 = 210,305,546.60/x
  3. Step 3: Cross multiply
    374,412,755x = 561,159,152.94 × 210,305,546.60
  4. Step 4: Simplify right side
    374,412,755x = 118,014,882,388,639,712
  5. Step 5: Solve for x
    x = 118,014,882,388,639,712/374,412,755
  6. Step 6: Final answer
    x = 315,199,951.96

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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.