Home / 51,790,557,732.48-71,470,215,258.60-28,928,020,762.38

Finding the Fourth Proportional to 51,790,557,732.48, 71,470,215,258.60 and 28,928,020,762.38

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Solution

The fourth proportional to 51,790,557,732.48, 71,470,215,258.60 and 28,928,020,762.38 is: 39,920,247,269.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,790,557,732.48 : 71,470,215,258.60 = 28,928,020,762.38 : x
  2. Step 2: Convert to fraction form
    51,790,557,732.48/71,470,215,258.60 = 28,928,020,762.38/x
  3. Step 3: Cross multiply
    51,790,557,732.48x = 71,470,215,258.60 × 28,928,020,762.38
  4. Step 4: Simplify right side
    51,790,557,732.48x = 2,067,491,870,892,548,947,968
  5. Step 5: Solve for x
    x = 2,067,491,870,892,548,947,968/51,790,557,732.48
  6. Step 6: Final answer
    x = 39,920,247,269.24

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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.