Home / 510,178,556.40-765,267,834.60-165,379,635.60

Finding the Fourth Proportional to 510,178,556.40, 765,267,834.60 and 165,379,635.60

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Solution

The fourth proportional to 510,178,556.40, 765,267,834.60 and 165,379,635.60 is: 248,069,453.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,178,556.40 : 765,267,834.60 = 165,379,635.60 : x
  2. Step 2: Convert to fraction form
    510,178,556.40/765,267,834.60 = 165,379,635.60/x
  3. Step 3: Cross multiply
    510,178,556.40x = 765,267,834.60 × 165,379,635.60
  4. Step 4: Simplify right side
    510,178,556.40x = 126,559,715,622,549,072
  5. Step 5: Solve for x
    x = 126,559,715,622,549,072/510,178,556.40
  6. Step 6: Final answer
    x = 248,069,453.40

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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.