Home / 309,387,064,037.34-464,080,486,827.78-82,740,625,481.25

Finding the Fourth Proportional to 309,387,064,037.34, 464,080,486,827.78 and 82,740,625,481.25

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Solution

The fourth proportional to 309,387,064,037.34, 464,080,486,827.78 and 82,740,625,481.25 is: 124,110,909,010.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,387,064,037.34 : 464,080,486,827.78 = 82,740,625,481.25 : x
  2. Step 2: Convert to fraction form
    309,387,064,037.34/464,080,486,827.78 = 82,740,625,481.25/x
  3. Step 3: Cross multiply
    309,387,064,037.34x = 464,080,486,827.78 × 82,740,625,481.25
  4. Step 4: Simplify right side
    309,387,064,037.34x = 38,398,309,753,773,524,779,008
  5. Step 5: Solve for x
    x = 38,398,309,753,773,524,779,008/309,387,064,037.34
  6. Step 6: Final answer
    x = 124,110,909,010.53

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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.