Home / 12,807,906,473.76-17,673,945,899.96-7,795,099,870.08

Finding the Fourth Proportional to 12,807,906,473.76, 17,673,945,899.96 and 7,795,099,870.08

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Solution

The fourth proportional to 12,807,906,473.76, 17,673,945,899.96 and 7,795,099,870.08 is: 10,756,650,485.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,807,906,473.76 : 17,673,945,899.96 = 7,795,099,870.08 : x
  2. Step 2: Convert to fraction form
    12,807,906,473.76/17,673,945,899.96 = 7,795,099,870.08/x
  3. Step 3: Cross multiply
    12,807,906,473.76x = 17,673,945,899.96 × 7,795,099,870.08
  4. Step 4: Simplify right side
    12,807,906,473.76x = 137,770,173,388,579,143,680
  5. Step 5: Solve for x
    x = 137,770,173,388,579,143,680/12,807,906,473.76
  6. Step 6: Final answer
    x = 10,756,650,485.45

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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.