Home / 1,907,712,004.80-2,861,568,007.20-1,895,618,769.60

Finding the Fourth Proportional to 1,907,712,004.80, 2,861,568,007.20 and 1,895,618,769.60

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Solution

The fourth proportional to 1,907,712,004.80, 2,861,568,007.20 and 1,895,618,769.60 is: 2,843,428,154.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,907,712,004.80 : 2,861,568,007.20 = 1,895,618,769.60 : x
  2. Step 2: Convert to fraction form
    1,907,712,004.80/2,861,568,007.20 = 1,895,618,769.60/x
  3. Step 3: Cross multiply
    1,907,712,004.80x = 2,861,568,007.20 × 1,895,618,769.60
  4. Step 4: Simplify right side
    1,907,712,004.80x = 5,424,442,024,935,187,456
  5. Step 5: Solve for x
    x = 5,424,442,024,935,187,456/1,907,712,004.80
  6. Step 6: Final answer
    x = 2,843,428,154.40

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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.