Home / 400,456,290,145.40-552,677,056,712.61-237,876,578,385.04

Finding the Fourth Proportional to 400,456,290,145.40, 552,677,056,712.61 and 237,876,578,385.04

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Solution

The fourth proportional to 400,456,290,145.40, 552,677,056,712.61 and 237,876,578,385.04 is: 328,297,820,356.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,456,290,145.40 : 552,677,056,712.61 = 237,876,578,385.04 : x
  2. Step 2: Convert to fraction form
    400,456,290,145.40/552,677,056,712.61 = 237,876,578,385.04/x
  3. Step 3: Cross multiply
    400,456,290,145.40x = 552,677,056,712.61 × 237,876,578,385.04
  4. Step 4: Simplify right side
    400,456,290,145.40x = 131,468,927,202,710,368,813,056
  5. Step 5: Solve for x
    x = 131,468,927,202,710,368,813,056/400,456,290,145.40
  6. Step 6: Final answer
    x = 328,297,820,356.31

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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.