Home / 354,336,220.80-531,006,667.20-281,677,276.80

Finding the Fourth Proportional to 354,336,220.80, 531,006,667.20 and 281,677,276.80

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Solution

The fourth proportional to 354,336,220.80, 531,006,667.20 and 281,677,276.80 is: 422,120,300.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,336,220.80 : 531,006,667.20 = 281,677,276.80 : x
  2. Step 2: Convert to fraction form
    354,336,220.80/531,006,667.20 = 281,677,276.80/x
  3. Step 3: Cross multiply
    354,336,220.80x = 531,006,667.20 × 281,677,276.80
  4. Step 4: Simplify right side
    354,336,220.80x = 149,572,511,979,539,872
  5. Step 5: Solve for x
    x = 149,572,511,979,539,872/354,336,220.80
  6. Step 6: Final answer
    x = 422,120,300.44

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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.