Home / 400,456,290,098.55-552,677,056,647.72-237,876,578,338.15

Finding the Fourth Proportional to 400,456,290,098.55, 552,677,056,647.72 and 237,876,578,338.15

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Solution

The fourth proportional to 400,456,290,098.55, 552,677,056,647.72 and 237,876,578,338.15 is: 328,297,820,291.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,456,290,098.55 : 552,677,056,647.72 = 237,876,578,338.15 : x
  2. Step 2: Convert to fraction form
    400,456,290,098.55/552,677,056,647.72 = 237,876,578,338.15/x
  3. Step 3: Cross multiply
    400,456,290,098.55x = 552,677,056,647.72 × 237,876,578,338.15
  4. Step 4: Simplify right side
    400,456,290,098.55x = 131,468,927,161,359,514,206,208
  5. Step 5: Solve for x
    x = 131,468,927,161,359,514,206,208/400,456,290,098.55
  6. Step 6: Final answer
    x = 328,297,820,291.46

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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.