Home / 1,442,142,152.16-2,162,910,520-406,760,901.44

Finding the Fourth Proportional to 1,442,142,152.16, 2,162,910,520 and 406,760,901.44

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Solution

The fourth proportional to 1,442,142,152.16, 2,162,910,520 and 406,760,901.44 is: 610,055,972.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,442,142,152.16 : 2,162,910,520 = 406,760,901.44 : x
  2. Step 2: Convert to fraction form
    1,442,142,152.16/2,162,910,520 = 406,760,901.44/x
  3. Step 3: Cross multiply
    1,442,142,152.16x = 2,162,910,520 × 406,760,901.44
  4. Step 4: Simplify right side
    1,442,142,152.16x = 879,787,432,849,259,136
  5. Step 5: Solve for x
    x = 879,787,432,849,259,136/1,442,142,152.16
  6. Step 6: Final answer
    x = 610,055,972.31

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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.