Home / 12,956,413,313.52-17,879,846,015.43-7,015,965,815.52

Finding the Fourth Proportional to 12,956,413,313.52, 17,879,846,015.43 and 7,015,965,815.52

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Solution

The fourth proportional to 12,956,413,313.52, 17,879,846,015.43 and 7,015,965,815.52 is: 9,682,030,465.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,956,413,313.52 : 17,879,846,015.43 = 7,015,965,815.52 : x
  2. Step 2: Convert to fraction form
    12,956,413,313.52/17,879,846,015.43 = 7,015,965,815.52/x
  3. Step 3: Cross multiply
    12,956,413,313.52x = 17,879,846,015.43 × 7,015,965,815.52
  4. Step 4: Simplify right side
    12,956,413,313.52x = 125,444,388,431,018,377,216
  5. Step 5: Solve for x
    x = 125,444,388,431,018,377,216/12,956,413,313.52
  6. Step 6: Final answer
    x = 9,682,030,465.96

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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.