Home / 13,196,727,377.94-18,211,355,747.56-7,175,232,699.86

Finding the Fourth Proportional to 13,196,727,377.94, 18,211,355,747.56 and 7,175,232,699.86

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Solution

The fourth proportional to 13,196,727,377.94, 18,211,355,747.56 and 7,175,232,699.86 is: 9,901,751,512.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,196,727,377.94 : 18,211,355,747.56 = 7,175,232,699.86 : x
  2. Step 2: Convert to fraction form
    13,196,727,377.94/18,211,355,747.56 = 7,175,232,699.86/x
  3. Step 3: Cross multiply
    13,196,727,377.94x = 18,211,355,747.56 × 7,175,232,699.86
  4. Step 4: Simplify right side
    13,196,727,377.94x = 130,670,715,268,675,878,912
  5. Step 5: Solve for x
    x = 130,670,715,268,675,878,912/13,196,727,377.94
  6. Step 6: Final answer
    x = 9,901,751,512.05

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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.