Home / 21,482,070,612.74-29,641,322,063.13-11,966,385,557.06

Finding the Fourth Proportional to 21,482,070,612.74, 29,641,322,063.13 and 11,966,385,557.06

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Solution

The fourth proportional to 21,482,070,612.74, 29,641,322,063.13 and 11,966,385,557.06 is: 16,511,419,900.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,482,070,612.74 : 29,641,322,063.13 = 11,966,385,557.06 : x
  2. Step 2: Convert to fraction form
    21,482,070,612.74/29,641,322,063.13 = 11,966,385,557.06/x
  3. Step 3: Cross multiply
    21,482,070,612.74x = 29,641,322,063.13 × 11,966,385,557.06
  4. Step 4: Simplify right side
    21,482,070,612.74x = 354,699,488,228,402,724,864
  5. Step 5: Solve for x
    x = 354,699,488,228,402,724,864/21,482,070,612.74
  6. Step 6: Final answer
    x = 16,511,419,900.93

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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.