Home / 213,863,814,007.20-320,795,721,010.80-179,344,648,437.30

Finding the Fourth Proportional to 213,863,814,007.20, 320,795,721,010.80 and 179,344,648,437.30

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Solution

The fourth proportional to 213,863,814,007.20, 320,795,721,010.80 and 179,344,648,437.30 is: 269,016,972,655.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,863,814,007.20 : 320,795,721,010.80 = 179,344,648,437.30 : x
  2. Step 2: Convert to fraction form
    213,863,814,007.20/320,795,721,010.80 = 179,344,648,437.30/x
  3. Step 3: Cross multiply
    213,863,814,007.20x = 320,795,721,010.80 × 179,344,648,437.30
  4. Step 4: Simplify right side
    213,863,814,007.20x = 57,532,995,804,872,090,583,040
  5. Step 5: Solve for x
    x = 57,532,995,804,872,090,583,040/213,863,814,007.20
  6. Step 6: Final answer
    x = 269,016,972,655.95

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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.