Home / 290,007,953,304.74-400,157,847,897.41-161,546,205,053.06

Finding the Fourth Proportional to 290,007,953,304.74, 400,157,847,897.41 and 161,546,205,053.06

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Solution

The fourth proportional to 290,007,953,304.74, 400,157,847,897.41 and 161,546,205,053.06 is: 222,904,168,707.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,007,953,304.74 : 400,157,847,897.41 = 161,546,205,053.06 : x
  2. Step 2: Convert to fraction form
    290,007,953,304.74/400,157,847,897.41 = 161,546,205,053.06/x
  3. Step 3: Cross multiply
    290,007,953,304.74x = 400,157,847,897.41 × 161,546,205,053.06
  4. Step 4: Simplify right side
    290,007,953,304.74x = 64,643,981,750,026,182,328,320
  5. Step 5: Solve for x
    x = 64,643,981,750,026,182,328,320/290,007,953,304.74
  6. Step 6: Final answer
    x = 222,904,168,707.74

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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.