Home / 275,949,117.80-413,923,676.70-253,653,770.60

Finding the Fourth Proportional to 275,949,117.80, 413,923,676.70 and 253,653,770.60

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Solution

The fourth proportional to 275,949,117.80, 413,923,676.70 and 253,653,770.60 is: 380,480,655.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,949,117.80 : 413,923,676.70 = 253,653,770.60 : x
  2. Step 2: Convert to fraction form
    275,949,117.80/413,923,676.70 = 253,653,770.60/x
  3. Step 3: Cross multiply
    275,949,117.80x = 413,923,676.70 × 253,653,770.60
  4. Step 4: Simplify right side
    275,949,117.80x = 104,993,301,335,570,352
  5. Step 5: Solve for x
    x = 104,993,301,335,570,352/275,949,117.80
  6. Step 6: Final answer
    x = 380,480,655.90

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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.