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Finding the Fourth Proportional to 493,133,994.58, 739,796,159.83 and 161,051,728.39

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Solution

The fourth proportional to 493,133,994.58, 739,796,159.83 and 161,051,728.39 is: 241,608,673.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,133,994.58 : 739,796,159.83 = 161,051,728.39 : x
  2. Step 2: Convert to fraction form
    493,133,994.58/739,796,159.83 = 161,051,728.39/x
  3. Step 3: Cross multiply
    493,133,994.58x = 739,796,159.83 × 161,051,728.39
  4. Step 4: Simplify right side
    493,133,994.58x = 119,145,450,196,906,192
  5. Step 5: Solve for x
    x = 119,145,450,196,906,192/493,133,994.58
  6. Step 6: Final answer
    x = 241,608,673.31

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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.