Home / 14,861,738,408.76-20,509,202,351.76-8,178,734,973.51

Finding the Fourth Proportional to 14,861,738,408.76, 20,509,202,351.76 and 8,178,734,973.51

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Solution

The fourth proportional to 14,861,738,408.76, 20,509,202,351.76 and 8,178,734,973.51 is: 11,286,656,105.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,861,738,408.76 : 20,509,202,351.76 = 8,178,734,973.51 : x
  2. Step 2: Convert to fraction form
    14,861,738,408.76/20,509,202,351.76 = 8,178,734,973.51/x
  3. Step 3: Cross multiply
    14,861,738,408.76x = 20,509,202,351.76 × 8,178,734,973.51
  4. Step 4: Simplify right side
    14,861,738,408.76x = 167,739,330,553,133,039,616
  5. Step 5: Solve for x
    x = 167,739,330,553,133,039,616/14,861,738,408.76
  6. Step 6: Final answer
    x = 11,286,656,105.74

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Double scale
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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.