Home / 3,147,003,783.42-4,718,178,516.81-1,903,157,718.81

Finding the Fourth Proportional to 3,147,003,783.42, 4,718,178,516.81 and 1,903,157,718.81

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Solution

The fourth proportional to 3,147,003,783.42, 4,718,178,516.81 and 1,903,157,718.81 is: 2,853,329,223.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,147,003,783.42 : 4,718,178,516.81 = 1,903,157,718.81 : x
  2. Step 2: Convert to fraction form
    3,147,003,783.42/4,718,178,516.81 = 1,903,157,718.81/x
  3. Step 3: Cross multiply
    3,147,003,783.42x = 4,718,178,516.81 × 1,903,157,718.81
  4. Step 4: Simplify right side
    3,147,003,783.42x = 8,979,437,862,990,469,120
  5. Step 5: Solve for x
    x = 8,979,437,862,990,469,120/3,147,003,783.42
  6. Step 6: Final answer
    x = 2,853,329,223.91

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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.