Home / 419,728,630.56-579,226,538.16-234,101,669.28

Finding the Fourth Proportional to 419,728,630.56, 579,226,538.16 and 234,101,669.28

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Solution

The fourth proportional to 419,728,630.56, 579,226,538.16 and 234,101,669.28 is: 323,060,876.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,728,630.56 : 579,226,538.16 = 234,101,669.28 : x
  2. Step 2: Convert to fraction form
    419,728,630.56/579,226,538.16 = 234,101,669.28/x
  3. Step 3: Cross multiply
    419,728,630.56x = 579,226,538.16 × 234,101,669.28
  4. Step 4: Simplify right side
    419,728,630.56x = 135,597,899,474,531,616
  5. Step 5: Solve for x
    x = 135,597,899,474,531,616/419,728,630.56
  6. Step 6: Final answer
    x = 323,060,876.96

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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.