Home / 866,523,500.46-1,300,405,839.48-368,882,912.70

Finding the Fourth Proportional to 866,523,500.46, 1,300,405,839.48 and 368,882,912.70

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Solution

The fourth proportional to 866,523,500.46, 1,300,405,839.48 and 368,882,912.70 is: 553,588,556.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,523,500.46 : 1,300,405,839.48 = 368,882,912.70 : x
  2. Step 2: Convert to fraction form
    866,523,500.46/1,300,405,839.48 = 368,882,912.70/x
  3. Step 3: Cross multiply
    866,523,500.46x = 1,300,405,839.48 × 368,882,912.70
  4. Step 4: Simplify right side
    866,523,500.46x = 479,697,493,759,471,040
  5. Step 5: Solve for x
    x = 479,697,493,759,471,040/866,523,500.46
  6. Step 6: Final answer
    x = 553,588,556.46

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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.