Home / 31,485,232,511.62-43,218,340,383.93-27,837,022,906.87

Finding the Fourth Proportional to 31,485,232,511.62, 43,218,340,383.93 and 27,837,022,906.87

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Solution

The fourth proportional to 31,485,232,511.62, 43,218,340,383.93 and 27,837,022,906.87 is: 38,210,609,714.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,485,232,511.62 : 43,218,340,383.93 = 27,837,022,906.87 : x
  2. Step 2: Convert to fraction form
    31,485,232,511.62/43,218,340,383.93 = 27,837,022,906.87/x
  3. Step 3: Cross multiply
    31,485,232,511.62x = 43,218,340,383.93 × 27,837,022,906.87
  4. Step 4: Simplify right side
    31,485,232,511.62x = 1,203,069,931,264,194,379,776
  5. Step 5: Solve for x
    x = 1,203,069,931,264,194,379,776/31,485,232,511.62
  6. Step 6: Final answer
    x = 38,210,609,714.26

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Half scale
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Double scale
Find fourth proportional to 31,485,232,512.62, 43,218,340,385.30 and 27,837,022,907.87
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.