Home / 511,343,376.05-767,010,437.87-161,589,501.47

Finding the Fourth Proportional to 511,343,376.05, 767,010,437.87 and 161,589,501.47

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Solution

The fourth proportional to 511,343,376.05, 767,010,437.87 and 161,589,501.47 is: 242,382,790.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,343,376.05 : 767,010,437.87 = 161,589,501.47 : x
  2. Step 2: Convert to fraction form
    511,343,376.05/767,010,437.87 = 161,589,501.47/x
  3. Step 3: Cross multiply
    511,343,376.05x = 767,010,437.87 × 161,589,501.47
  4. Step 4: Simplify right side
    511,343,376.05x = 123,940,834,273,864,656
  5. Step 5: Solve for x
    x = 123,940,834,273,864,656/511,343,376.05
  6. Step 6: Final answer
    x = 242,382,790.27

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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.