Home / 1,168,684,848.52-1,612,785,656.37-640,082,078.80

Finding the Fourth Proportional to 1,168,684,848.52, 1,612,785,656.37 and 640,082,078.80

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Solution

The fourth proportional to 1,168,684,848.52, 1,612,785,656.37 and 640,082,078.80 is: 883,313,578.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168,684,848.52 : 1,612,785,656.37 = 640,082,078.80 : x
  2. Step 2: Convert to fraction form
    1,168,684,848.52/1,612,785,656.37 = 640,082,078.80/x
  3. Step 3: Cross multiply
    1,168,684,848.52x = 1,612,785,656.37 × 640,082,078.80
  4. Step 4: Simplify right side
    1,168,684,848.52x = 1,032,315,195,588,131,968
  5. Step 5: Solve for x
    x = 1,032,315,195,588,131,968/1,168,684,848.52
  6. Step 6: Final answer
    x = 883,313,578.42

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Find fourth proportional to 1,168,684,849.52, 1,612,785,657.75 and 640,082,079.80
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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.