Home / 1,636,704,644.20-2,455,056,966.30-1,120,143,992.20

Finding the Fourth Proportional to 1,636,704,644.20, 2,455,056,966.30 and 1,120,143,992.20

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Solution

The fourth proportional to 1,636,704,644.20, 2,455,056,966.30 and 1,120,143,992.20 is: 1,680,215,988.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,636,704,644.20 : 2,455,056,966.30 = 1,120,143,992.20 : x
  2. Step 2: Convert to fraction form
    1,636,704,644.20/2,455,056,966.30 = 1,120,143,992.20/x
  3. Step 3: Cross multiply
    1,636,704,644.20x = 2,455,056,966.30 × 1,120,143,992.20
  4. Step 4: Simplify right side
    1,636,704,644.20x = 2,750,017,311,309,703,168
  5. Step 5: Solve for x
    x = 2,750,017,311,309,703,168/1,636,704,644.20
  6. Step 6: Final answer
    x = 1,680,215,988.30

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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.