Home / 825,793,471.95-1,139,604,306.81-449,452,469.05

Finding the Fourth Proportional to 825,793,471.95, 1,139,604,306.81 and 449,452,469.05

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Solution

The fourth proportional to 825,793,471.95, 1,139,604,306.81 and 449,452,469.05 is: 620,249,477.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,793,471.95 : 1,139,604,306.81 = 449,452,469.05 : x
  2. Step 2: Convert to fraction form
    825,793,471.95/1,139,604,306.81 = 449,452,469.05/x
  3. Step 3: Cross multiply
    825,793,471.95x = 1,139,604,306.81 × 449,452,469.05
  4. Step 4: Simplify right side
    825,793,471.95x = 512,197,969,435,768,192
  5. Step 5: Solve for x
    x = 512,197,969,435,768,192/825,793,471.95
  6. Step 6: Final answer
    x = 620,249,477.42

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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.