Home / 393,661,027.20-590,491,540.80-264,666,518.40

Finding the Fourth Proportional to 393,661,027.20, 590,491,540.80 and 264,666,518.40

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Solution

The fourth proportional to 393,661,027.20, 590,491,540.80 and 264,666,518.40 is: 396,999,777.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,661,027.20 : 590,491,540.80 = 264,666,518.40 : x
  2. Step 2: Convert to fraction form
    393,661,027.20/590,491,540.80 = 264,666,518.40/x
  3. Step 3: Cross multiply
    393,661,027.20x = 590,491,540.80 × 264,666,518.40
  4. Step 4: Simplify right side
    393,661,027.20x = 156,283,340,248,187,552
  5. Step 5: Solve for x
    x = 156,283,340,248,187,552/393,661,027.20
  6. Step 6: Final answer
    x = 396,999,777.60

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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.