Home / 31,559,390,517.87-43,551,420,660.95-17,091,368,220.44

Finding the Fourth Proportional to 31,559,390,517.87, 43,551,420,660.95 and 17,091,368,220.44

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Solution

The fourth proportional to 31,559,390,517.87, 43,551,420,660.95 and 17,091,368,220.44 is: 23,585,796,646.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,559,390,517.87 : 43,551,420,660.95 = 17,091,368,220.44 : x
  2. Step 2: Convert to fraction form
    31,559,390,517.87/43,551,420,660.95 = 17,091,368,220.44/x
  3. Step 3: Cross multiply
    31,559,390,517.87x = 43,551,420,660.95 × 17,091,368,220.44
  4. Step 4: Simplify right side
    31,559,390,517.87x = 744,353,367,039,609,143,296
  5. Step 5: Solve for x
    x = 744,353,367,039,609,143,296/31,559,390,517.87
  6. Step 6: Final answer
    x = 23,585,796,646.43

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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.