Home / 1,116,968,285.39-1,541,525,110.72-834,219,843.48

Finding the Fourth Proportional to 1,116,968,285.39, 1,541,525,110.72 and 834,219,843.48

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Solution

The fourth proportional to 1,116,968,285.39, 1,541,525,110.72 and 834,219,843.48 is: 1,151,304,699.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,968,285.39 : 1,541,525,110.72 = 834,219,843.48 : x
  2. Step 2: Convert to fraction form
    1,116,968,285.39/1,541,525,110.72 = 834,219,843.48/x
  3. Step 3: Cross multiply
    1,116,968,285.39x = 1,541,525,110.72 × 834,219,843.48
  4. Step 4: Simplify right side
    1,116,968,285.39x = 1,285,970,836,587,914,240
  5. Step 5: Solve for x
    x = 1,285,970,836,587,914,240/1,116,968,285.39
  6. Step 6: Final answer
    x = 1,151,304,699.89

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Double scale
Find fourth proportional to 1,116,968,286.39, 1,541,525,112.10 and 834,219,844.48
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1.5x scale

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.