Home / 342,360,684.61-513,873,107.86-165,222,485.46

Finding the Fourth Proportional to 342,360,684.61, 513,873,107.86 and 165,222,485.46

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Solution

The fourth proportional to 342,360,684.61, 513,873,107.86 and 165,222,485.46 is: 247,993,989.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,360,684.61 : 513,873,107.86 = 165,222,485.46 : x
  2. Step 2: Convert to fraction form
    342,360,684.61/513,873,107.86 = 165,222,485.46/x
  3. Step 3: Cross multiply
    342,360,684.61x = 513,873,107.86 × 165,222,485.46
  4. Step 4: Simplify right side
    342,360,684.61x = 84,903,392,091,270,816
  5. Step 5: Solve for x
    x = 84,903,392,091,270,816/342,360,684.61
  6. Step 6: Final answer
    x = 247,993,989.70

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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.