Home / 14,861,738,431.51-20,509,202,383.14-8,178,734,996.26

Finding the Fourth Proportional to 14,861,738,431.51, 20,509,202,383.14 and 8,178,734,996.26

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Solution

The fourth proportional to 14,861,738,431.51, 20,509,202,383.14 and 8,178,734,996.26 is: 11,286,656,137.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,861,738,431.51 : 20,509,202,383.14 = 8,178,734,996.26 : x
  2. Step 2: Convert to fraction form
    14,861,738,431.51/20,509,202,383.14 = 8,178,734,996.26/x
  3. Step 3: Cross multiply
    14,861,738,431.51x = 20,509,202,383.14 × 8,178,734,996.26
  4. Step 4: Simplify right side
    14,861,738,431.51x = 167,739,331,276,366,118,912
  5. Step 5: Solve for x
    x = 167,739,331,276,366,118,912/14,861,738,431.51
  6. Step 6: Final answer
    x = 11,286,656,137.13

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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.