Home / 369,025,638.12-509,266,009.42-204,023,836.44

Finding the Fourth Proportional to 369,025,638.12, 509,266,009.42 and 204,023,836.44

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Solution

The fourth proportional to 369,025,638.12, 509,266,009.42 and 204,023,836.44 is: 281,558,770.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,025,638.12 : 509,266,009.42 = 204,023,836.44 : x
  2. Step 2: Convert to fraction form
    369,025,638.12/509,266,009.42 = 204,023,836.44/x
  3. Step 3: Cross multiply
    369,025,638.12x = 509,266,009.42 × 204,023,836.44
  4. Step 4: Simplify right side
    369,025,638.12x = 103,902,405,009,268,304
  5. Step 5: Solve for x
    x = 103,902,405,009,268,304/369,025,638.12
  6. Step 6: Final answer
    x = 281,558,770.66

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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.