Home / 7,018,836,562,940.80-9,686,005,851,513.60-3,893,769,153,891.60

Finding the Fourth Proportional to 7,018,836,562,940.80, 9,686,005,851,513.60 and 3,893,769,153,891.60

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Solution

The fourth proportional to 7,018,836,562,940.80, 9,686,005,851,513.60 and 3,893,769,153,891.60 is: 5,373,407,753,668.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,018,836,562,940.80 : 9,686,005,851,513.60 = 3,893,769,153,891.60 : x
  2. Step 2: Convert to fraction form
    7,018,836,562,940.80/9,686,005,851,513.60 = 3,893,769,153,891.60/x
  3. Step 3: Cross multiply
    7,018,836,562,940.80x = 9,686,005,851,513.60 × 3,893,769,153,891.60
  4. Step 4: Simplify right side
    7,018,836,562,940.80x = 37,715,070,809,037,196,387,942,400
  5. Step 5: Solve for x
    x = 37,715,070,809,037,196,387,942,400/7,018,836,562,940.80
  6. Step 6: Final answer
    x = 5,373,407,753,668.38

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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.