Home / 330,298,412.72-455,824,942.63-181,631,722.28

Finding the Fourth Proportional to 330,298,412.72, 455,824,942.63 and 181,631,722.28

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Solution

The fourth proportional to 330,298,412.72, 455,824,942.63 and 181,631,722.28 is: 250,658,998.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,298,412.72 : 455,824,942.63 = 181,631,722.28 : x
  2. Step 2: Convert to fraction form
    330,298,412.72/455,824,942.63 = 181,631,722.28/x
  3. Step 3: Cross multiply
    330,298,412.72x = 455,824,942.63 × 181,631,722.28
  4. Step 4: Simplify right side
    330,298,412.72x = 82,792,269,385,335,888
  5. Step 5: Solve for x
    x = 82,792,269,385,335,888/330,298,412.72
  6. Step 6: Final answer
    x = 250,658,998.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.