Home / 400,456,290,132.92-552,677,056,695.08-237,876,578,372.54

Finding the Fourth Proportional to 400,456,290,132.92, 552,677,056,695.08 and 237,876,578,372.54

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Solution

The fourth proportional to 400,456,290,132.92, 552,677,056,695.08 and 237,876,578,372.54 is: 328,297,820,338.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,456,290,132.92 : 552,677,056,695.08 = 237,876,578,372.54 : x
  2. Step 2: Convert to fraction form
    400,456,290,132.92/552,677,056,695.08 = 237,876,578,372.54/x
  3. Step 3: Cross multiply
    400,456,290,132.92x = 552,677,056,695.08 × 237,876,578,372.54
  4. Step 4: Simplify right side
    400,456,290,132.92x = 131,468,927,191,631,920,103,424
  5. Step 5: Solve for x
    x = 131,468,927,191,631,920,103,424/400,456,290,132.92
  6. Step 6: Final answer
    x = 328,297,820,338.88

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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.