Home / 290,007,953,434.64-400,157,848,076.52-161,546,205,182.48

Finding the Fourth Proportional to 290,007,953,434.64, 400,157,848,076.52 and 161,546,205,182.48

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Solution

The fourth proportional to 290,007,953,434.64, 400,157,848,076.52 and 161,546,205,182.48 is: 222,904,168,886.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,007,953,434.64 : 400,157,848,076.52 = 161,546,205,182.48 : x
  2. Step 2: Convert to fraction form
    290,007,953,434.64/400,157,848,076.52 = 161,546,205,182.48/x
  3. Step 3: Cross multiply
    290,007,953,434.64x = 400,157,848,076.52 × 161,546,205,182.48
  4. Step 4: Simplify right side
    290,007,953,434.64x = 64,643,981,830,749,169,909,760
  5. Step 5: Solve for x
    x = 64,643,981,830,749,169,909,760/290,007,953,434.64
  6. Step 6: Final answer
    x = 222,904,168,886.25

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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.