Home / 284,361,109.60-426,541,664.40-198,196,808.80

Finding the Fourth Proportional to 284,361,109.60, 426,541,664.40 and 198,196,808.80

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Solution

The fourth proportional to 284,361,109.60, 426,541,664.40 and 198,196,808.80 is: 297,295,213.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,361,109.60 : 426,541,664.40 = 198,196,808.80 : x
  2. Step 2: Convert to fraction form
    284,361,109.60/426,541,664.40 = 198,196,808.80/x
  3. Step 3: Cross multiply
    284,361,109.60x = 426,541,664.40 × 198,196,808.80
  4. Step 4: Simplify right side
    284,361,109.60x = 84,539,196,704,320,560
  5. Step 5: Solve for x
    x = 84,539,196,704,320,560/284,361,109.60
  6. Step 6: Final answer
    x = 297,295,213.20

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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.