Home / 2,312,222,160.54-3,190,319,687.51-1,308,639,727.49

Finding the Fourth Proportional to 2,312,222,160.54, 3,190,319,687.51 and 1,308,639,727.49

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Solution

The fourth proportional to 2,312,222,160.54, 3,190,319,687.51 and 1,308,639,727.49 is: 1,805,613,300.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,312,222,160.54 : 3,190,319,687.51 = 1,308,639,727.49 : x
  2. Step 2: Convert to fraction form
    2,312,222,160.54/3,190,319,687.51 = 1,308,639,727.49/x
  3. Step 3: Cross multiply
    2,312,222,160.54x = 3,190,319,687.51 × 1,308,639,727.49
  4. Step 4: Simplify right side
    2,312,222,160.54x = 4,174,979,086,469,068,800
  5. Step 5: Solve for x
    x = 4,174,979,086,469,068,800/2,312,222,160.54
  6. Step 6: Final answer
    x = 1,805,613,300.36

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Double scale
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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.