Home / 297,217,812.60-445,826,718.90-278,085,936.60

Finding the Fourth Proportional to 297,217,812.60, 445,826,718.90 and 278,085,936.60

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Solution

The fourth proportional to 297,217,812.60, 445,826,718.90 and 278,085,936.60 is: 417,128,904.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,217,812.60 : 445,826,718.90 = 278,085,936.60 : x
  2. Step 2: Convert to fraction form
    297,217,812.60/445,826,718.90 = 278,085,936.60/x
  3. Step 3: Cross multiply
    297,217,812.60x = 445,826,718.90 × 278,085,936.60
  4. Step 4: Simplify right side
    297,217,812.60x = 123,978,140,686,611,424
  5. Step 5: Solve for x
    x = 123,978,140,686,611,424/297,217,812.60
  6. Step 6: Final answer
    x = 417,128,904.90

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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.