Home / 2,863,137,782.73-4,294,663,457.31-1,288,132,871.46

Finding the Fourth Proportional to 2,863,137,782.73, 4,294,663,457.31 and 1,288,132,871.46

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Solution

The fourth proportional to 2,863,137,782.73, 4,294,663,457.31 and 1,288,132,871.46 is: 1,932,179,863.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,863,137,782.73 : 4,294,663,457.31 = 1,288,132,871.46 : x
  2. Step 2: Convert to fraction form
    2,863,137,782.73/4,294,663,457.31 = 1,288,132,871.46/x
  3. Step 3: Cross multiply
    2,863,137,782.73x = 4,294,663,457.31 × 1,288,132,871.46
  4. Step 4: Simplify right side
    2,863,137,782.73x = 5,532,097,171,203,171,328
  5. Step 5: Solve for x
    x = 5,532,097,171,203,171,328/2,863,137,782.73
  6. Step 6: Final answer
    x = 1,932,179,863.84

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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.