Home / 400,858,475.20-601,287,712.80-336,288,393.70

Finding the Fourth Proportional to 400,858,475.20, 601,287,712.80 and 336,288,393.70

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Solution

The fourth proportional to 400,858,475.20, 601,287,712.80 and 336,288,393.70 is: 504,432,590.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,858,475.20 : 601,287,712.80 = 336,288,393.70 : x
  2. Step 2: Convert to fraction form
    400,858,475.20/601,287,712.80 = 336,288,393.70/x
  3. Step 3: Cross multiply
    400,858,475.20x = 601,287,712.80 × 336,288,393.70
  4. Step 4: Simplify right side
    400,858,475.20x = 202,206,079,089,058,912
  5. Step 5: Solve for x
    x = 202,206,079,089,058,912/400,858,475.20
  6. Step 6: Final answer
    x = 504,432,590.55

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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.