Home / 395,945,205.20-593,917,807.80-354,290,728.40

Finding the Fourth Proportional to 395,945,205.20, 593,917,807.80 and 354,290,728.40

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Solution

The fourth proportional to 395,945,205.20, 593,917,807.80 and 354,290,728.40 is: 531,436,092.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,945,205.20 : 593,917,807.80 = 354,290,728.40 : x
  2. Step 2: Convert to fraction form
    395,945,205.20/593,917,807.80 = 354,290,728.40/x
  3. Step 3: Cross multiply
    395,945,205.20x = 593,917,807.80 × 354,290,728.40
  4. Step 4: Simplify right side
    395,945,205.20x = 210,419,572,735,193,184
  5. Step 5: Solve for x
    x = 210,419,572,735,193,184/395,945,205.20
  6. Step 6: Final answer
    x = 531,436,092.60

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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.