Home / 511,054,736.39-766,582,017.10-161,546,154.56

Finding the Fourth Proportional to 511,054,736.39, 766,582,017.10 and 161,546,154.56

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Solution

The fourth proportional to 511,054,736.39, 766,582,017.10 and 161,546,154.56 is: 242,319,204.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,054,736.39 : 766,582,017.10 = 161,546,154.56 : x
  2. Step 2: Convert to fraction form
    511,054,736.39/766,582,017.10 = 161,546,154.56/x
  3. Step 3: Cross multiply
    511,054,736.39x = 766,582,017.10 × 161,546,154.56
  4. Step 4: Simplify right side
    511,054,736.39x = 123,838,377,013,116,384
  5. Step 5: Solve for x
    x = 123,838,377,013,116,384/511,054,736.39
  6. Step 6: Final answer
    x = 242,319,204.18

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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.