Home / 198,287,296,127.76-297,489,299,402.80-63,979,266,654.91

Finding the Fourth Proportional to 198,287,296,127.76, 297,489,299,402.80 and 63,979,266,654.91

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Solution

The fourth proportional to 198,287,296,127.76, 297,489,299,402.80 and 63,979,266,654.91 is: 95,987,728,841.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,287,296,127.76 : 297,489,299,402.80 = 63,979,266,654.91 : x
  2. Step 2: Convert to fraction form
    198,287,296,127.76/297,489,299,402.80 = 63,979,266,654.91/x
  3. Step 3: Cross multiply
    198,287,296,127.76x = 297,489,299,402.80 × 63,979,266,654.91
  4. Step 4: Simplify right side
    198,287,296,127.76x = 19,033,147,213,474,101,723,136
  5. Step 5: Solve for x
    x = 19,033,147,213,474,101,723,136/198,287,296,127.76
  6. Step 6: Final answer
    x = 95,987,728,841.74

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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.