Home / 9,361,310,555.97-12,918,605,458.32-5,132,131,642.89

Finding the Fourth Proportional to 9,361,310,555.97, 12,918,605,458.32 and 5,132,131,642.89

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Solution

The fourth proportional to 9,361,310,555.97, 12,918,605,458.32 and 5,132,131,642.89 is: 7,082,339,962.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,361,310,555.97 : 12,918,605,458.32 = 5,132,131,642.89 : x
  2. Step 2: Convert to fraction form
    9,361,310,555.97/12,918,605,458.32 = 5,132,131,642.89/x
  3. Step 3: Cross multiply
    9,361,310,555.97x = 12,918,605,458.32 × 5,132,131,642.89
  4. Step 4: Simplify right side
    9,361,310,555.97x = 66,299,983,854,655,545,344
  5. Step 5: Solve for x
    x = 66,299,983,854,655,545,344/9,361,310,555.97
  6. Step 6: Final answer
    x = 7,082,339,962.79

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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.