Home / 393,351,630.80-590,027,446.20-354,384,539.60

Finding the Fourth Proportional to 393,351,630.80, 590,027,446.20 and 354,384,539.60

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Solution

The fourth proportional to 393,351,630.80, 590,027,446.20 and 354,384,539.60 is: 531,576,809.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,351,630.80 : 590,027,446.20 = 354,384,539.60 : x
  2. Step 2: Convert to fraction form
    393,351,630.80/590,027,446.20 = 354,384,539.60/x
  3. Step 3: Cross multiply
    393,351,630.80x = 590,027,446.20 × 354,384,539.60
  4. Step 4: Simplify right side
    393,351,630.80x = 209,096,604,872,950,816
  5. Step 5: Solve for x
    x = 209,096,604,872,950,816/393,351,630.80
  6. Step 6: Final answer
    x = 531,576,809.40

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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.