Home / 8,261,971,290.76-12,395,388,403.50-2,665,803,396.10

Finding the Fourth Proportional to 8,261,971,290.76, 12,395,388,403.50 and 2,665,803,396.10

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Solution

The fourth proportional to 8,261,971,290.76, 12,395,388,403.50 and 2,665,803,396.10 is: 3,999,489,630.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,261,971,290.76 : 12,395,388,403.50 = 2,665,803,396.10 : x
  2. Step 2: Convert to fraction form
    8,261,971,290.76/12,395,388,403.50 = 2,665,803,396.10/x
  3. Step 3: Cross multiply
    8,261,971,290.76x = 12,395,388,403.50 × 2,665,803,396.10
  4. Step 4: Simplify right side
    8,261,971,290.76x = 33,043,668,502,028,857,344
  5. Step 5: Solve for x
    x = 33,043,668,502,028,857,344/8,261,971,290.76
  6. Step 6: Final answer
    x = 3,999,489,630.15

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1.5x scale

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.