Home / 3,974,029,431.98-5,484,197,395.46-2,189,946,732.35

Finding the Fourth Proportional to 3,974,029,431.98, 5,484,197,395.46 and 2,189,946,732.35

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Solution

The fourth proportional to 3,974,029,431.98, 5,484,197,395.46 and 2,189,946,732.35 is: 3,022,146,758.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,974,029,431.98 : 5,484,197,395.46 = 2,189,946,732.35 : x
  2. Step 2: Convert to fraction form
    3,974,029,431.98/5,484,197,395.46 = 2,189,946,732.35/x
  3. Step 3: Cross multiply
    3,974,029,431.98x = 5,484,197,395.46 × 2,189,946,732.35
  4. Step 4: Simplify right side
    3,974,029,431.98x = 12,010,100,165,728,059,392
  5. Step 5: Solve for x
    x = 12,010,100,165,728,059,392/3,974,029,431.98
  6. Step 6: Final answer
    x = 3,022,146,758.42

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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.