Home / 354,312,766.40-531,469,149.60-262,479,761.60

Finding the Fourth Proportional to 354,312,766.40, 531,469,149.60 and 262,479,761.60

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Solution

The fourth proportional to 354,312,766.40, 531,469,149.60 and 262,479,761.60 is: 393,719,642.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,312,766.40 : 531,469,149.60 = 262,479,761.60 : x
  2. Step 2: Convert to fraction form
    354,312,766.40/531,469,149.60 = 262,479,761.60/x
  3. Step 3: Cross multiply
    354,312,766.40x = 531,469,149.60 × 262,479,761.60
  4. Step 4: Simplify right side
    354,312,766.40x = 139,499,895,684,762,736
  5. Step 5: Solve for x
    x = 139,499,895,684,762,736/354,312,766.40
  6. Step 6: Final answer
    x = 393,719,642.40

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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.