Home / 291,297,806.70-436,946,710.05-277,860,878.70

Finding the Fourth Proportional to 291,297,806.70, 436,946,710.05 and 277,860,878.70

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Solution

The fourth proportional to 291,297,806.70, 436,946,710.05 and 277,860,878.70 is: 416,791,318.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,297,806.70 : 436,946,710.05 = 277,860,878.70 : x
  2. Step 2: Convert to fraction form
    291,297,806.70/436,946,710.05 = 277,860,878.70/x
  3. Step 3: Cross multiply
    291,297,806.70x = 436,946,710.05 × 277,860,878.70
  4. Step 4: Simplify right side
    291,297,806.70x = 121,410,396,799,567,120
  5. Step 5: Solve for x
    x = 121,410,396,799,567,120/291,297,806.70
  6. Step 6: Final answer
    x = 416,791,318.05

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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.