Home / 7,213,122,232,828.20-9,954,115,095,422.40-3,920,870,062,434.30

Finding the Fourth Proportional to 7,213,122,232,828.20, 9,954,115,095,422.40 and 3,920,870,062,434.30

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Solution

The fourth proportional to 7,213,122,232,828.20, 9,954,115,095,422.40 and 3,920,870,062,434.30 is: 5,410,804,172,711.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,213,122,232,828.20 : 9,954,115,095,422.40 = 3,920,870,062,434.30 : x
  2. Step 2: Convert to fraction form
    7,213,122,232,828.20/9,954,115,095,422.40 = 3,920,870,062,434.30/x
  3. Step 3: Cross multiply
    7,213,122,232,828.20x = 9,954,115,095,422.40 × 3,920,870,062,434.30
  4. Step 4: Simplify right side
    7,213,122,232,828.20x = 39,028,791,875,667,037,261,922,304
  5. Step 5: Solve for x
    x = 39,028,791,875,667,037,261,922,304/7,213,122,232,828.20
  6. Step 6: Final answer
    x = 5,410,804,172,711.79

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Double scale
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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.