Home / 3,941,129,433.11-5,438,773,026.20-2,132,641,311.39

Finding the Fourth Proportional to 3,941,129,433.11, 5,438,773,026.20 and 2,132,641,311.39

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Solution

The fourth proportional to 3,941,129,433.11, 5,438,773,026.20 and 2,132,641,311.39 is: 2,943,052,806.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,941,129,433.11 : 5,438,773,026.20 = 2,132,641,311.39 : x
  2. Step 2: Convert to fraction form
    3,941,129,433.11/5,438,773,026.20 = 2,132,641,311.39/x
  3. Step 3: Cross multiply
    3,941,129,433.11x = 5,438,773,026.20 × 2,132,641,311.39
  4. Step 4: Simplify right side
    3,941,129,433.11x = 11,598,952,038,953,060,352
  5. Step 5: Solve for x
    x = 11,598,952,038,953,060,352/3,941,129,433.11
  6. Step 6: Final answer
    x = 2,943,052,806.52

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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.