Home / 356,142,586.90-491,476,397.18-199,510,796.44

Finding the Fourth Proportional to 356,142,586.90, 491,476,397.18 and 199,510,796.44

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Solution

The fourth proportional to 356,142,586.90, 491,476,397.18 and 199,510,796.44 is: 275,324,690.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,142,586.90 : 491,476,397.18 = 199,510,796.44 : x
  2. Step 2: Convert to fraction form
    356,142,586.90/491,476,397.18 = 199,510,796.44/x
  3. Step 3: Cross multiply
    356,142,586.90x = 491,476,397.18 × 199,510,796.44
  4. Step 4: Simplify right side
    356,142,586.90x = 98,054,847,432,460,368
  5. Step 5: Solve for x
    x = 98,054,847,432,460,368/356,142,586.90
  6. Step 6: Final answer
    x = 275,324,690.28

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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.