Home / 21,482,070,613.74-29,641,322,064.51-11,966,385,558.06

Finding the Fourth Proportional to 21,482,070,613.74, 29,641,322,064.51 and 11,966,385,558.06

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Solution

The fourth proportional to 21,482,070,613.74, 29,641,322,064.51 and 11,966,385,558.06 is: 16,511,419,902.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,482,070,613.74 : 29,641,322,064.51 = 11,966,385,558.06 : x
  2. Step 2: Convert to fraction form
    21,482,070,613.74/29,641,322,064.51 = 11,966,385,558.06/x
  3. Step 3: Cross multiply
    21,482,070,613.74x = 29,641,322,064.51 × 11,966,385,558.06
  4. Step 4: Simplify right side
    21,482,070,613.74x = 354,699,488,274,557,632,512
  5. Step 5: Solve for x
    x = 354,699,488,274,557,632,512/21,482,070,613.74
  6. Step 6: Final answer
    x = 16,511,419,902.31

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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.