Home / 325,997,144.91-449,835,187.02-220,380,368.94

Finding the Fourth Proportional to 325,997,144.91, 449,835,187.02 and 220,380,368.94

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Solution

The fourth proportional to 325,997,144.91, 449,835,187.02 and 220,380,368.94 is: 304,097,278.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,997,144.91 : 449,835,187.02 = 220,380,368.94 : x
  2. Step 2: Convert to fraction form
    325,997,144.91/449,835,187.02 = 220,380,368.94/x
  3. Step 3: Cross multiply
    325,997,144.91x = 449,835,187.02 × 220,380,368.94
  4. Step 4: Simplify right side
    325,997,144.91x = 99,134,844,477,661,488
  5. Step 5: Solve for x
    x = 99,134,844,477,661,488/325,997,144.91
  6. Step 6: Final answer
    x = 304,097,278.23

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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.