Home / 1,211,125,704.23-1,671,354,204.05-654,208,997.33

Finding the Fourth Proportional to 1,211,125,704.23, 1,671,354,204.05 and 654,208,997.33

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Solution

The fourth proportional to 1,211,125,704.23, 1,671,354,204.05 and 654,208,997.33 is: 902,808,811.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,125,704.23 : 1,671,354,204.05 = 654,208,997.33 : x
  2. Step 2: Convert to fraction form
    1,211,125,704.23/1,671,354,204.05 = 654,208,997.33/x
  3. Step 3: Cross multiply
    1,211,125,704.23x = 1,671,354,204.05 × 654,208,997.33
  4. Step 4: Simplify right side
    1,211,125,704.23x = 1,093,414,958,014,830,720
  5. Step 5: Solve for x
    x = 1,093,414,958,014,830,720/1,211,125,704.23
  6. Step 6: Final answer
    x = 902,808,811.83

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Double scale
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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.