Home / 275,936,218.80-413,904,328.20-189,939,879.60

Finding the Fourth Proportional to 275,936,218.80, 413,904,328.20 and 189,939,879.60

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Solution

The fourth proportional to 275,936,218.80, 413,904,328.20 and 189,939,879.60 is: 284,909,819.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,936,218.80 : 413,904,328.20 = 189,939,879.60 : x
  2. Step 2: Convert to fraction form
    275,936,218.80/413,904,328.20 = 189,939,879.60/x
  3. Step 3: Cross multiply
    275,936,218.80x = 413,904,328.20 × 189,939,879.60
  4. Step 4: Simplify right side
    275,936,218.80x = 78,616,938,264,226,880
  5. Step 5: Solve for x
    x = 78,616,938,264,226,880/275,936,218.80
  6. Step 6: Final answer
    x = 284,909,819.40

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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.