Home / 15,718,913,399.37-21,694,002,689.72-8,946,378,689.34

Finding the Fourth Proportional to 15,718,913,399.37, 21,694,002,689.72 and 8,946,378,689.34

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Solution

The fourth proportional to 15,718,913,399.37, 21,694,002,689.72 and 8,946,378,689.34 is: 12,347,085,222.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,718,913,399.37 : 21,694,002,689.72 = 8,946,378,689.34 : x
  2. Step 2: Convert to fraction form
    15,718,913,399.37/21,694,002,689.72 = 8,946,378,689.34/x
  3. Step 3: Cross multiply
    15,718,913,399.37x = 21,694,002,689.72 × 8,946,378,689.34
  4. Step 4: Simplify right side
    15,718,913,399.37x = 194,082,763,349,750,906,880
  5. Step 5: Solve for x
    x = 194,082,763,349,750,906,880/15,718,913,399.37
  6. Step 6: Final answer
    x = 12,347,085,222.67

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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.