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Finding the Fourth Proportional to 31,368,438,051.60, 44,026,012,878 and 31,368,438,051.60

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Solution

The fourth proportional to 31,368,438,051.60, 44,026,012,878 and 31,368,438,051.60 is: 44,026,012,878

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,368,438,051.60 : 44,026,012,878 = 31,368,438,051.60 : x
  2. Step 2: Convert to fraction form
    31,368,438,051.60/44,026,012,878 = 31,368,438,051.60/x
  3. Step 3: Cross multiply
    31,368,438,051.60x = 44,026,012,878 × 31,368,438,051.60
  4. Step 4: Simplify right side
    31,368,438,051.60x = 1,381,027,257,622,486,843,392
  5. Step 5: Solve for x
    x = 1,381,027,257,622,486,843,392/31,368,438,051.60
  6. Step 6: Final answer
    x = 44,026,012,878

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.