Home / 621,504,003.60-932,256,005.40-391,732,534.80

Finding the Fourth Proportional to 621,504,003.60, 932,256,005.40 and 391,732,534.80

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Solution

The fourth proportional to 621,504,003.60, 932,256,005.40 and 391,732,534.80 is: 587,598,802.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,504,003.60 : 932,256,005.40 = 391,732,534.80 : x
  2. Step 2: Convert to fraction form
    621,504,003.60/932,256,005.40 = 391,732,534.80/x
  3. Step 3: Cross multiply
    621,504,003.60x = 932,256,005.40 × 391,732,534.80
  4. Step 4: Simplify right side
    621,504,003.60x = 365,195,008,077,864,512
  5. Step 5: Solve for x
    x = 365,195,008,077,864,512/621,504,003.60
  6. Step 6: Final answer
    x = 587,598,802.20

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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.