Home / 869,863,504.46-1,200,664,587.82-568,494,152.06

Finding the Fourth Proportional to 869,863,504.46, 1,200,664,587.82 and 568,494,152.06

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Solution

The fourth proportional to 869,863,504.46, 1,200,664,587.82 and 568,494,152.06 is: 784,687,244.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,863,504.46 : 1,200,664,587.82 = 568,494,152.06 : x
  2. Step 2: Convert to fraction form
    869,863,504.46/1,200,664,587.82 = 568,494,152.06/x
  3. Step 3: Cross multiply
    869,863,504.46x = 1,200,664,587.82 × 568,494,152.06
  4. Step 4: Simplify right side
    869,863,504.46x = 682,570,796,754,855,808
  5. Step 5: Solve for x
    x = 682,570,796,754,855,808/869,863,504.46
  6. Step 6: Final answer
    x = 784,687,244.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.