Home / 551,622,702.30-761,244,523.47-304,112,913.90

Finding the Fourth Proportional to 551,622,702.30, 761,244,523.47 and 304,112,913.90

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Solution

The fourth proportional to 551,622,702.30, 761,244,523.47 and 304,112,913.90 is: 419,678,684.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,622,702.30 : 761,244,523.47 = 304,112,913.90 : x
  2. Step 2: Convert to fraction form
    551,622,702.30/761,244,523.47 = 304,112,913.90/x
  3. Step 3: Cross multiply
    551,622,702.30x = 761,244,523.47 × 304,112,913.90
  4. Step 4: Simplify right side
    551,622,702.30x = 231,504,290,222,878,624
  5. Step 5: Solve for x
    x = 231,504,290,222,878,624/551,622,702.30
  6. Step 6: Final answer
    x = 419,678,684.83

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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.