Home / 21,482,070,613.24-29,641,322,063.82-11,966,385,557.56

Finding the Fourth Proportional to 21,482,070,613.24, 29,641,322,063.82 and 11,966,385,557.56

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Solution

The fourth proportional to 21,482,070,613.24, 29,641,322,063.82 and 11,966,385,557.56 is: 16,511,419,901.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,482,070,613.24 : 29,641,322,063.82 = 11,966,385,557.56 : x
  2. Step 2: Convert to fraction form
    21,482,070,613.24/29,641,322,063.82 = 11,966,385,557.56/x
  3. Step 3: Cross multiply
    21,482,070,613.24x = 29,641,322,063.82 × 11,966,385,557.56
  4. Step 4: Simplify right side
    21,482,070,613.24x = 354,699,488,251,480,178,688
  5. Step 5: Solve for x
    x = 354,699,488,251,480,178,688/21,482,070,613.24
  6. Step 6: Final answer
    x = 16,511,419,901.62

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Double scale
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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.