Home / 319,544,999.40-479,317,499.10-267,888,934.20

Finding the Fourth Proportional to 319,544,999.40, 479,317,499.10 and 267,888,934.20

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Solution

The fourth proportional to 319,544,999.40, 479,317,499.10 and 267,888,934.20 is: 401,833,401.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,544,999.40 : 479,317,499.10 = 267,888,934.20 : x
  2. Step 2: Convert to fraction form
    319,544,999.40/479,317,499.10 = 267,888,934.20/x
  3. Step 3: Cross multiply
    319,544,999.40x = 479,317,499.10 × 267,888,934.20
  4. Step 4: Simplify right side
    319,544,999.40x = 128,403,853,977,308,464
  5. Step 5: Solve for x
    x = 128,403,853,977,308,464/319,544,999.40
  6. Step 6: Final answer
    x = 401,833,401.30

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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.