Home / 400,202,363,116.86-552,279,261,101.31-228,924,294,606.45

Finding the Fourth Proportional to 400,202,363,116.86, 552,279,261,101.31 and 228,924,294,606.45

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Solution

The fourth proportional to 400,202,363,116.86, 552,279,261,101.31 and 228,924,294,606.45 is: 315,915,526,556.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,202,363,116.86 : 552,279,261,101.31 = 228,924,294,606.45 : x
  2. Step 2: Convert to fraction form
    400,202,363,116.86/552,279,261,101.31 = 228,924,294,606.45/x
  3. Step 3: Cross multiply
    400,202,363,116.86x = 552,279,261,101.31 × 228,924,294,606.45
  4. Step 4: Simplify right side
    400,202,363,116.86x = 126,430,140,273,388,840,550,400
  5. Step 5: Solve for x
    x = 126,430,140,273,388,840,550,400/400,202,363,116.86
  6. Step 6: Final answer
    x = 315,915,526,556.93

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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.