Home / 21,969,880,055.52-30,318,220,603.20-11,945,374,902.24

Finding the Fourth Proportional to 21,969,880,055.52, 30,318,220,603.20 and 11,945,374,902.24

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Solution

The fourth proportional to 21,969,880,055.52, 30,318,220,603.20 and 11,945,374,902.24 is: 16,484,501,078.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,969,880,055.52 : 30,318,220,603.20 = 11,945,374,902.24 : x
  2. Step 2: Convert to fraction form
    21,969,880,055.52/30,318,220,603.20 = 11,945,374,902.24/x
  3. Step 3: Cross multiply
    21,969,880,055.52x = 30,318,220,603.20 × 11,945,374,902.24
  4. Step 4: Simplify right side
    21,969,880,055.52x = 362,162,511,474,040,963,072
  5. Step 5: Solve for x
    x = 362,162,511,474,040,963,072/21,969,880,055.52
  6. Step 6: Final answer
    x = 16,484,501,078.70

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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.