Home / 448,253,999.20-672,380,998.80-275,169,570.40

Finding the Fourth Proportional to 448,253,999.20, 672,380,998.80 and 275,169,570.40

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Solution

The fourth proportional to 448,253,999.20, 672,380,998.80 and 275,169,570.40 is: 412,754,355.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,253,999.20 : 672,380,998.80 = 275,169,570.40 : x
  2. Step 2: Convert to fraction form
    448,253,999.20/672,380,998.80 = 275,169,570.40/x
  3. Step 3: Cross multiply
    448,253,999.20x = 672,380,998.80 × 275,169,570.40
  4. Step 4: Simplify right side
    448,253,999.20x = 185,018,790,584,918,880
  5. Step 5: Solve for x
    x = 185,018,790,584,918,880/448,253,999.20
  6. Step 6: Final answer
    x = 412,754,355.60

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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.