Home / 290,007,953,508.24-400,157,848,177.74-161,546,205,256.56

Finding the Fourth Proportional to 290,007,953,508.24, 400,157,848,177.74 and 161,546,205,256.56

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Solution

The fourth proportional to 290,007,953,508.24, 400,157,848,177.74 and 161,546,205,256.56 is: 222,904,168,988.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,007,953,508.24 : 400,157,848,177.74 = 161,546,205,256.56 : x
  2. Step 2: Convert to fraction form
    290,007,953,508.24/400,157,848,177.74 = 161,546,205,256.56/x
  3. Step 3: Cross multiply
    290,007,953,508.24x = 400,157,848,177.74 × 161,546,205,256.56
  4. Step 4: Simplify right side
    290,007,953,508.24x = 64,643,981,876,744,553,496,576
  5. Step 5: Solve for x
    x = 64,643,981,876,744,553,496,576/290,007,953,508.24
  6. Step 6: Final answer
    x = 222,904,168,988.28

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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.