Home / 266,304,211,499.21-399,413,795,655.68-77,605,968,466.13

Finding the Fourth Proportional to 266,304,211,499.21, 399,413,795,655.68 and 77,605,968,466.13

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Solution

The fourth proportional to 266,304,211,499.21, 399,413,795,655.68 and 77,605,968,466.13 is: 116,396,561,121.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,304,211,499.21 : 399,413,795,655.68 = 77,605,968,466.13 : x
  2. Step 2: Convert to fraction form
    266,304,211,499.21/399,413,795,655.68 = 77,605,968,466.13/x
  3. Step 3: Cross multiply
    266,304,211,499.21x = 399,413,795,655.68 × 77,605,968,466.13
  4. Step 4: Simplify right side
    266,304,211,499.21x = 30,996,894,430,589,995,712,512
  5. Step 5: Solve for x
    x = 30,996,894,430,589,995,712,512/266,304,211,499.21
  6. Step 6: Final answer
    x = 116,396,561,121.16

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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.