Home / 480,511,363.76-663,080,147.16-271,655,021.60

Finding the Fourth Proportional to 480,511,363.76, 663,080,147.16 and 271,655,021.60

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Solution

The fourth proportional to 480,511,363.76, 663,080,147.16 and 271,655,021.60 is: 374,869,493.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,511,363.76 : 663,080,147.16 = 271,655,021.60 : x
  2. Step 2: Convert to fraction form
    480,511,363.76/663,080,147.16 = 271,655,021.60/x
  3. Step 3: Cross multiply
    480,511,363.76x = 663,080,147.16 × 271,655,021.60
  4. Step 4: Simplify right side
    480,511,363.76x = 180,129,051,699,280,992
  5. Step 5: Solve for x
    x = 180,129,051,699,280,992/480,511,363.76
  6. Step 6: Final answer
    x = 374,869,493.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.