Home / 8,860,982,865.39-12,231,921,507.44-5,521,131,272.07

Finding the Fourth Proportional to 8,860,982,865.39, 12,231,921,507.44 and 5,521,131,272.07

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Solution

The fourth proportional to 8,860,982,865.39, 12,231,921,507.44 and 5,521,131,272.07 is: 7,621,507,159.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,860,982,865.39 : 12,231,921,507.44 = 5,521,131,272.07 : x
  2. Step 2: Convert to fraction form
    8,860,982,865.39/12,231,921,507.44 = 5,521,131,272.07/x
  3. Step 3: Cross multiply
    8,860,982,865.39x = 12,231,921,507.44 × 5,521,131,272.07
  4. Step 4: Simplify right side
    8,860,982,865.39x = 67,534,044,352,204,988,416
  5. Step 5: Solve for x
    x = 67,534,044,352,204,988,416/8,860,982,865.39
  6. Step 6: Final answer
    x = 7,621,507,159.89

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1.5x scale

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.