Home / 403,543,521,534.72-556,890,106,935.44-220,640,747,079.44

Finding the Fourth Proportional to 403,543,521,534.72, 556,890,106,935.44 and 220,640,747,079.44

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Solution

The fourth proportional to 403,543,521,534.72, 556,890,106,935.44 and 220,640,747,079.44 is: 304,484,256,786.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,543,521,534.72 : 556,890,106,935.44 = 220,640,747,079.44 : x
  2. Step 2: Convert to fraction form
    403,543,521,534.72/556,890,106,935.44 = 220,640,747,079.44/x
  3. Step 3: Cross multiply
    403,543,521,534.72x = 556,890,106,935.44 × 220,640,747,079.44
  4. Step 4: Simplify right side
    403,543,521,534.72x = 122,872,649,235,384,707,842,048
  5. Step 5: Solve for x
    x = 122,872,649,235,384,707,842,048/403,543,521,534.72
  6. Step 6: Final answer
    x = 304,484,256,786.20

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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.