Home / 8,261,971,271.78-12,395,388,374.97-2,665,803,377.08

Finding the Fourth Proportional to 8,261,971,271.78, 12,395,388,374.97 and 2,665,803,377.08

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Solution

The fourth proportional to 8,261,971,271.78, 12,395,388,374.97 and 2,665,803,377.08 is: 3,999,489,601.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,261,971,271.78 : 12,395,388,374.97 = 2,665,803,377.08 : x
  2. Step 2: Convert to fraction form
    8,261,971,271.78/12,395,388,374.97 = 2,665,803,377.08/x
  3. Step 3: Cross multiply
    8,261,971,271.78x = 12,395,388,374.97 × 2,665,803,377.08
  4. Step 4: Simplify right side
    8,261,971,271.78x = 33,043,668,190,204,035,072
  5. Step 5: Solve for x
    x = 33,043,668,190,204,035,072/8,261,971,271.78
  6. Step 6: Final answer
    x = 3,999,489,601.60

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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.