Home / 51,615,194,785.38-71,219,513,204.12-28,751,763,516.98

Finding the Fourth Proportional to 51,615,194,785.38, 71,219,513,204.12 and 28,751,763,516.98

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Solution

The fourth proportional to 51,615,194,785.38, 71,219,513,204.12 and 28,751,763,516.98 is: 39,672,166,499.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,615,194,785.38 : 71,219,513,204.12 = 28,751,763,516.98 : x
  2. Step 2: Convert to fraction form
    51,615,194,785.38/71,219,513,204.12 = 28,751,763,516.98/x
  3. Step 3: Cross multiply
    51,615,194,785.38x = 71,219,513,204.12 × 28,751,763,516.98
  4. Step 4: Simplify right side
    51,615,194,785.38x = 2,047,686,601,439,292,686,336
  5. Step 5: Solve for x
    x = 2,047,686,601,439,292,686,336/51,615,194,785.38
  6. Step 6: Final answer
    x = 39,672,166,499.69

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Double scale
Find fourth proportional to 51,615,194,786.38, 71,219,513,205.50 and 28,751,763,517.98
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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.