Home / 511,054,746.82-766,582,032.76-161,546,165

Finding the Fourth Proportional to 511,054,746.82, 766,582,032.76 and 161,546,165

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Solution

The fourth proportional to 511,054,746.82, 766,582,032.76 and 161,546,165 is: 242,319,219.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,054,746.82 : 766,582,032.76 = 161,546,165 : x
  2. Step 2: Convert to fraction form
    511,054,746.82/766,582,032.76 = 161,546,165/x
  3. Step 3: Cross multiply
    511,054,746.82x = 766,582,032.76 × 161,546,165
  4. Step 4: Simplify right side
    511,054,746.82x = 123,838,387,550,282,368
  5. Step 5: Solve for x
    x = 123,838,387,550,282,368/511,054,746.82
  6. Step 6: Final answer
    x = 242,319,219.85

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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.