Home / 7,751,175,972.88-11,609,754,728.82-6,407,980,819.06

Finding the Fourth Proportional to 7,751,175,972.88, 11,609,754,728.82 and 6,407,980,819.06

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Solution

The fourth proportional to 7,751,175,972.88, 11,609,754,728.82 and 6,407,980,819.06 is: 9,597,909,514.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,751,175,972.88 : 11,609,754,728.82 = 6,407,980,819.06 : x
  2. Step 2: Convert to fraction form
    7,751,175,972.88/11,609,754,728.82 = 6,407,980,819.06/x
  3. Step 3: Cross multiply
    7,751,175,972.88x = 11,609,754,728.82 × 6,407,980,819.06
  4. Step 4: Simplify right side
    7,751,175,972.88x = 74,395,085,616,269,688,832
  5. Step 5: Solve for x
    x = 74,395,085,616,269,688,832/7,751,175,972.88
  6. Step 6: Final answer
    x = 9,597,909,514.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.