Home / 3,577,043,961.45-4,936,319,687.03-1,991,101,545.45

Finding the Fourth Proportional to 3,577,043,961.45, 4,936,319,687.03 and 1,991,101,545.45

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Solution

The fourth proportional to 3,577,043,961.45, 4,936,319,687.03 and 1,991,101,545.45 is: 2,747,719,587.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,577,043,961.45 : 4,936,319,687.03 = 1,991,101,545.45 : x
  2. Step 2: Convert to fraction form
    3,577,043,961.45/4,936,319,687.03 = 1,991,101,545.45/x
  3. Step 3: Cross multiply
    3,577,043,961.45x = 4,936,319,687.03 × 1,991,101,545.45
  4. Step 4: Simplify right side
    3,577,043,961.45x = 9,828,713,757,670,737,920
  5. Step 5: Solve for x
    x = 9,828,713,757,670,737,920/3,577,043,961.45
  6. Step 6: Final answer
    x = 2,747,719,587.35

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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.