Home / 366,678,081.90-550,017,122.85-280,584,639.90

Finding the Fourth Proportional to 366,678,081.90, 550,017,122.85 and 280,584,639.90

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Solution

The fourth proportional to 366,678,081.90, 550,017,122.85 and 280,584,639.90 is: 420,876,959.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,678,081.90 : 550,017,122.85 = 280,584,639.90 : x
  2. Step 2: Convert to fraction form
    366,678,081.90/550,017,122.85 = 280,584,639.90/x
  3. Step 3: Cross multiply
    366,678,081.90x = 550,017,122.85 × 280,584,639.90
  4. Step 4: Simplify right side
    366,678,081.90x = 154,326,356,353,701,312
  5. Step 5: Solve for x
    x = 154,326,356,353,701,312/366,678,081.90
  6. Step 6: Final answer
    x = 420,876,959.85

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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.