Home / 11,190,145,393.40-15,449,369,804.96-7,123,341,737.25

Finding the Fourth Proportional to 11,190,145,393.40, 15,449,369,804.96 and 7,123,341,737.25

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Solution

The fourth proportional to 11,190,145,393.40, 15,449,369,804.96 and 7,123,341,737.25 is: 9,834,647,976.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,190,145,393.40 : 15,449,369,804.96 = 7,123,341,737.25 : x
  2. Step 2: Convert to fraction form
    11,190,145,393.40/15,449,369,804.96 = 7,123,341,737.25/x
  3. Step 3: Cross multiply
    11,190,145,393.40x = 15,449,369,804.96 × 7,123,341,737.25
  4. Step 4: Simplify right side
    11,190,145,393.40x = 110,051,140,745,845,850,112
  5. Step 5: Solve for x
    x = 110,051,140,745,845,850,112/11,190,145,393.40
  6. Step 6: Final answer
    x = 9,834,647,976.14

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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.