Home / 649,614,611.25-974,032,771.72-206,765,990.55

Finding the Fourth Proportional to 649,614,611.25, 974,032,771.72 and 206,765,990.55

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Solution

The fourth proportional to 649,614,611.25, 974,032,771.72 and 206,765,990.55 is: 310,025,124.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,614,611.25 : 974,032,771.72 = 206,765,990.55 : x
  2. Step 2: Convert to fraction form
    649,614,611.25/974,032,771.72 = 206,765,990.55/x
  3. Step 3: Cross multiply
    649,614,611.25x = 974,032,771.72 × 206,765,990.55
  4. Step 4: Simplify right side
    649,614,611.25x = 201,396,850,872,847,840
  5. Step 5: Solve for x
    x = 201,396,850,872,847,840/649,614,611.25
  6. Step 6: Final answer
    x = 310,025,124.72

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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.