Home / 356,305,098.90-491,526,307.88-309,196,052.74

Finding the Fourth Proportional to 356,305,098.90, 491,526,307.88 and 309,196,052.74

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Solution

The fourth proportional to 356,305,098.90, 491,526,307.88 and 309,196,052.74 is: 426,538,926.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,305,098.90 : 491,526,307.88 = 309,196,052.74 : x
  2. Step 2: Convert to fraction form
    356,305,098.90/491,526,307.88 = 309,196,052.74/x
  3. Step 3: Cross multiply
    356,305,098.90x = 491,526,307.88 × 309,196,052.74
  4. Step 4: Simplify right side
    356,305,098.90x = 151,977,994,215,749,344
  5. Step 5: Solve for x
    x = 151,977,994,215,749,344/356,305,098.90
  6. Step 6: Final answer
    x = 426,538,926.00

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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.