Home / 215,737,261,823.68-323,677,760,535.96-72,330,480,443.36

Finding the Fourth Proportional to 215,737,261,823.68, 323,677,760,535.96 and 72,330,480,443.36

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Solution

The fourth proportional to 215,737,261,823.68, 323,677,760,535.96 and 72,330,480,443.36 is: 108,519,815,865.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,737,261,823.68 : 323,677,760,535.96 = 72,330,480,443.36 : x
  2. Step 2: Convert to fraction form
    215,737,261,823.68/323,677,760,535.96 = 72,330,480,443.36/x
  3. Step 3: Cross multiply
    215,737,261,823.68x = 323,677,760,535.96 × 72,330,480,443.36
  4. Step 4: Simplify right side
    215,737,261,823.68x = 23,411,767,928,397,137,707,008
  5. Step 5: Solve for x
    x = 23,411,767,928,397,137,707,008/215,737,261,823.68
  6. Step 6: Final answer
    x = 108,519,815,865.33

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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.