Home / 400,456,290,144.06-552,677,056,710.78-237,876,578,383.71

Finding the Fourth Proportional to 400,456,290,144.06, 552,677,056,710.78 and 237,876,578,383.71

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Solution

The fourth proportional to 400,456,290,144.06, 552,677,056,710.78 and 237,876,578,383.71 is: 328,297,820,354.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,456,290,144.06 : 552,677,056,710.78 = 237,876,578,383.71 : x
  2. Step 2: Convert to fraction form
    400,456,290,144.06/552,677,056,710.78 = 237,876,578,383.71/x
  3. Step 3: Cross multiply
    400,456,290,144.06x = 552,677,056,710.78 × 237,876,578,383.71
  4. Step 4: Simplify right side
    400,456,290,144.06x = 131,468,927,201,539,990,224,896
  5. Step 5: Solve for x
    x = 131,468,927,201,539,990,224,896/400,456,290,144.06
  6. Step 6: Final answer
    x = 328,297,820,354.49

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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.