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Finding the Fourth Proportional to 1,969,148,704.68, 2,953,728,059.82 and 804,617,197.32

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Solution

The fourth proportional to 1,969,148,704.68, 2,953,728,059.82 and 804,617,197.32 is: 1,206,927,840.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,969,148,704.68 : 2,953,728,059.82 = 804,617,197.32 : x
  2. Step 2: Convert to fraction form
    1,969,148,704.68/2,953,728,059.82 = 804,617,197.32/x
  3. Step 3: Cross multiply
    1,969,148,704.68x = 2,953,728,059.82 × 804,617,197.32
  4. Step 4: Simplify right side
    1,969,148,704.68x = 2,376,620,393,137,809,920
  5. Step 5: Solve for x
    x = 2,376,620,393,137,809,920/1,969,148,704.68
  6. Step 6: Final answer
    x = 1,206,927,840.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.