Home / 366,677,960.40-550,016,940.60-280,584,518.40

Finding the Fourth Proportional to 366,677,960.40, 550,016,940.60 and 280,584,518.40

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Solution

The fourth proportional to 366,677,960.40, 550,016,940.60 and 280,584,518.40 is: 420,876,777.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,677,960.40 : 550,016,940.60 = 280,584,518.40 : x
  2. Step 2: Convert to fraction form
    366,677,960.40/550,016,940.60 = 280,584,518.40/x
  3. Step 3: Cross multiply
    366,677,960.40x = 550,016,940.60 × 280,584,518.40
  4. Step 4: Simplify right side
    366,677,960.40x = 154,326,238,390,092,416
  5. Step 5: Solve for x
    x = 154,326,238,390,092,416/366,677,960.40
  6. Step 6: Final answer
    x = 420,876,777.60

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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.