Home / 12,252,845,681.25-18,384,614,468.82-4,290,728,583.30

Finding the Fourth Proportional to 12,252,845,681.25, 18,384,614,468.82 and 4,290,728,583.30

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Solution

The fourth proportional to 12,252,845,681.25, 18,384,614,468.82 and 4,290,728,583.30 is: 6,437,964,930.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,252,845,681.25 : 18,384,614,468.82 = 4,290,728,583.30 : x
  2. Step 2: Convert to fraction form
    12,252,845,681.25/18,384,614,468.82 = 4,290,728,583.30/x
  3. Step 3: Cross multiply
    12,252,845,681.25x = 18,384,614,468.82 × 4,290,728,583.30
  4. Step 4: Simplify right side
    12,252,845,681.25x = 78,883,390,794,316,726,272
  5. Step 5: Solve for x
    x = 78,883,390,794,316,726,272/12,252,845,681.25
  6. Step 6: Final answer
    x = 6,437,964,930.47

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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.