Home / 284,268,845.40-426,722,132.70-219,858,196.20

Finding the Fourth Proportional to 284,268,845.40, 426,722,132.70 and 219,858,196.20

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Solution

The fourth proportional to 284,268,845.40, 426,722,132.70 and 219,858,196.20 is: 330,033,909.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,268,845.40 : 426,722,132.70 = 219,858,196.20 : x
  2. Step 2: Convert to fraction form
    284,268,845.40/426,722,132.70 = 219,858,196.20/x
  3. Step 3: Cross multiply
    284,268,845.40x = 426,722,132.70 × 219,858,196.20
  4. Step 4: Simplify right side
    284,268,845.40x = 93,818,358,374,039,024
  5. Step 5: Solve for x
    x = 93,818,358,374,039,024/284,268,845.40
  6. Step 6: Final answer
    x = 330,033,909.42

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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.