Home / 266,304,211,501.46-399,413,795,659.05-77,605,968,468.38

Finding the Fourth Proportional to 266,304,211,501.46, 399,413,795,659.05 and 77,605,968,468.38

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Solution

The fourth proportional to 266,304,211,501.46, 399,413,795,659.05 and 77,605,968,468.38 is: 116,396,561,124.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,304,211,501.46 : 399,413,795,659.05 = 77,605,968,468.38 : x
  2. Step 2: Convert to fraction form
    266,304,211,501.46/399,413,795,659.05 = 77,605,968,468.38/x
  3. Step 3: Cross multiply
    266,304,211,501.46x = 399,413,795,659.05 × 77,605,968,468.38
  4. Step 4: Simplify right side
    266,304,211,501.46x = 30,996,894,431,750,207,307,776
  5. Step 5: Solve for x
    x = 30,996,894,431,750,207,307,776/266,304,211,501.46
  6. Step 6: Final answer
    x = 116,396,561,124.53

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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.