Home / 1,442,142,153.16-2,162,910,521.50-406,760,902.44

Finding the Fourth Proportional to 1,442,142,153.16, 2,162,910,521.50 and 406,760,902.44

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Solution

The fourth proportional to 1,442,142,153.16, 2,162,910,521.50 and 406,760,902.44 is: 610,055,973.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,442,142,153.16 : 2,162,910,521.50 = 406,760,902.44 : x
  2. Step 2: Convert to fraction form
    1,442,142,153.16/2,162,910,521.50 = 406,760,902.44/x
  3. Step 3: Cross multiply
    1,442,142,153.16x = 2,162,910,521.50 × 406,760,902.44
  4. Step 4: Simplify right side
    1,442,142,153.16x = 879,787,435,622,311,040
  5. Step 5: Solve for x
    x = 879,787,435,622,311,040/1,442,142,153.16
  6. Step 6: Final answer
    x = 610,055,973.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.