Home / 698,775,392.76-1,048,125,297.78-214,102,600.44

Finding the Fourth Proportional to 698,775,392.76, 1,048,125,297.78 and 214,102,600.44

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Solution

The fourth proportional to 698,775,392.76, 1,048,125,297.78 and 214,102,600.44 is: 321,142,321.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,775,392.76 : 1,048,125,297.78 = 214,102,600.44 : x
  2. Step 2: Convert to fraction form
    698,775,392.76/1,048,125,297.78 = 214,102,600.44/x
  3. Step 3: Cross multiply
    698,775,392.76x = 1,048,125,297.78 × 214,102,600.44
  4. Step 4: Simplify right side
    698,775,392.76x = 224,406,351,841,647,360
  5. Step 5: Solve for x
    x = 224,406,351,841,647,360/698,775,392.76
  6. Step 6: Final answer
    x = 321,142,321.51

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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.