Home / 806,793,519.78-1,113,363,739.71-449,576,352.36

Finding the Fourth Proportional to 806,793,519.78, 1,113,363,739.71 and 449,576,352.36

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Solution

The fourth proportional to 806,793,519.78, 1,113,363,739.71 and 449,576,352.36 is: 620,409,059.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,793,519.78 : 1,113,363,739.71 = 449,576,352.36 : x
  2. Step 2: Convert to fraction form
    806,793,519.78/1,113,363,739.71 = 449,576,352.36/x
  3. Step 3: Cross multiply
    806,793,519.78x = 1,113,363,739.71 × 449,576,352.36
  4. Step 4: Simplify right side
    806,793,519.78x = 500,542,008,948,710,336
  5. Step 5: Solve for x
    x = 500,542,008,948,710,336/806,793,519.78
  6. Step 6: Final answer
    x = 620,409,059.66

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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.