Home / 7,213,122,232,826.80-9,954,115,095,420.40-3,920,870,062,432.80

Finding the Fourth Proportional to 7,213,122,232,826.80, 9,954,115,095,420.40 and 3,920,870,062,432.80

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Solution

The fourth proportional to 7,213,122,232,826.80, 9,954,115,095,420.40 and 3,920,870,062,432.80 is: 5,410,804,172,709.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,213,122,232,826.80 : 9,954,115,095,420.40 = 3,920,870,062,432.80 : x
  2. Step 2: Convert to fraction form
    7,213,122,232,826.80/9,954,115,095,420.40 = 3,920,870,062,432.80/x
  3. Step 3: Cross multiply
    7,213,122,232,826.80x = 9,954,115,095,420.40 × 3,920,870,062,432.80
  4. Step 4: Simplify right side
    7,213,122,232,826.80x = 39,028,791,875,644,256,755,384,320
  5. Step 5: Solve for x
    x = 39,028,791,875,644,256,755,384,320/7,213,122,232,826.80
  6. Step 6: Final answer
    x = 5,410,804,172,709.69

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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.