Home / 8,876,796,969.36-12,245,335,504.56-5,488,623,189.84

Finding the Fourth Proportional to 8,876,796,969.36, 12,245,335,504.56 and 5,488,623,189.84

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Solution

The fourth proportional to 8,876,796,969.36, 12,245,335,504.56 and 5,488,623,189.84 is: 7,571,428,371.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,876,796,969.36 : 12,245,335,504.56 = 5,488,623,189.84 : x
  2. Step 2: Convert to fraction form
    8,876,796,969.36/12,245,335,504.56 = 5,488,623,189.84/x
  3. Step 3: Cross multiply
    8,876,796,969.36x = 12,245,335,504.56 × 5,488,623,189.84
  4. Step 4: Simplify right side
    8,876,796,969.36x = 67,210,032,417,699,110,912
  5. Step 5: Solve for x
    x = 67,210,032,417,699,110,912/8,876,796,969.36
  6. Step 6: Final answer
    x = 7,571,428,371.03

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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.