Home / 7,751,175,973.88-11,609,754,730.32-6,407,980,820.06

Finding the Fourth Proportional to 7,751,175,973.88, 11,609,754,730.32 and 6,407,980,820.06

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Solution

The fourth proportional to 7,751,175,973.88, 11,609,754,730.32 and 6,407,980,820.06 is: 9,597,909,515.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,751,175,973.88 : 11,609,754,730.32 = 6,407,980,820.06 : x
  2. Step 2: Convert to fraction form
    7,751,175,973.88/11,609,754,730.32 = 6,407,980,820.06/x
  3. Step 3: Cross multiply
    7,751,175,973.88x = 11,609,754,730.32 × 6,407,980,820.06
  4. Step 4: Simplify right side
    7,751,175,973.88x = 74,395,085,637,491,425,280
  5. Step 5: Solve for x
    x = 74,395,085,637,491,425,280/7,751,175,973.88
  6. Step 6: Final answer
    x = 9,597,909,515.69

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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.