Home / 1,008,781,685.01-1,513,118,718.95-271,839,757.73

Finding the Fourth Proportional to 1,008,781,685.01, 1,513,118,718.95 and 271,839,757.73

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Solution

The fourth proportional to 1,008,781,685.01, 1,513,118,718.95 and 271,839,757.73 is: 407,745,136.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,781,685.01 : 1,513,118,718.95 = 271,839,757.73 : x
  2. Step 2: Convert to fraction form
    1,008,781,685.01/1,513,118,718.95 = 271,839,757.73/x
  3. Step 3: Cross multiply
    1,008,781,685.01x = 1,513,118,718.95 × 271,839,757.73
  4. Step 4: Simplify right side
    1,008,781,685.01x = 411,325,825,967,171,200
  5. Step 5: Solve for x
    x = 411,325,825,967,171,200/1,008,781,685.01
  6. Step 6: Final answer
    x = 407,745,136.61

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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.