Home / 28,415,217,961.60-42,622,826,942.40-28,415,217,961.60

Finding the Fourth Proportional to 28,415,217,961.60, 42,622,826,942.40 and 28,415,217,961.60

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Solution

The fourth proportional to 28,415,217,961.60, 42,622,826,942.40 and 28,415,217,961.60 is: 42,622,826,942.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,415,217,961.60 : 42,622,826,942.40 = 28,415,217,961.60 : x
  2. Step 2: Convert to fraction form
    28,415,217,961.60/42,622,826,942.40 = 28,415,217,961.60/x
  3. Step 3: Cross multiply
    28,415,217,961.60x = 42,622,826,942.40 × 28,415,217,961.60
  4. Step 4: Simplify right side
    28,415,217,961.60x = 1,211,136,917,707,852,873,728
  5. Step 5: Solve for x
    x = 1,211,136,917,707,852,873,728/28,415,217,961.60
  6. Step 6: Final answer
    x = 42,622,826,942.40

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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.