Home / 839,808,767.70-1,259,713,151.55-755,156,121.30

Finding the Fourth Proportional to 839,808,767.70, 1,259,713,151.55 and 755,156,121.30

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Solution

The fourth proportional to 839,808,767.70, 1,259,713,151.55 and 755,156,121.30 is: 1,132,734,181.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,808,767.70 : 1,259,713,151.55 = 755,156,121.30 : x
  2. Step 2: Convert to fraction form
    839,808,767.70/1,259,713,151.55 = 755,156,121.30/x
  3. Step 3: Cross multiply
    839,808,767.70x = 1,259,713,151.55 × 755,156,121.30
  4. Step 4: Simplify right side
    839,808,767.70x = 951,280,097,475,096,960
  5. Step 5: Solve for x
    x = 951,280,097,475,096,960/839,808,767.70
  6. Step 6: Final answer
    x = 1,132,734,181.95

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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.