Home / 399,456,317,235.96-599,120,693,464.20-116,408,952,686.32

Finding the Fourth Proportional to 399,456,317,235.96, 599,120,693,464.20 and 116,408,952,686.32

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Solution

The fourth proportional to 399,456,317,235.96, 599,120,693,464.20 and 116,408,952,686.32 is: 174,594,841,662.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,456,317,235.96 : 599,120,693,464.20 = 116,408,952,686.32 : x
  2. Step 2: Convert to fraction form
    399,456,317,235.96/599,120,693,464.20 = 116,408,952,686.32/x
  3. Step 3: Cross multiply
    399,456,317,235.96x = 599,120,693,464.20 × 116,408,952,686.32
  4. Step 4: Simplify right side
    399,456,317,235.96x = 69,743,012,458,869,286,764,544
  5. Step 5: Solve for x
    x = 69,743,012,458,869,286,764,544/399,456,317,235.96
  6. Step 6: Final answer
    x = 174,594,841,662.43

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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.