Home / 10,066,483,213.27-13,897,698,669.09-8,949,557,665.78

Finding the Fourth Proportional to 10,066,483,213.27, 13,897,698,669.09 and 8,949,557,665.78

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Solution

The fourth proportional to 10,066,483,213.27, 13,897,698,669.09 and 8,949,557,665.78 is: 12,355,681,028.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,066,483,213.27 : 13,897,698,669.09 = 8,949,557,665.78 : x
  2. Step 2: Convert to fraction form
    10,066,483,213.27/13,897,698,669.09 = 8,949,557,665.78/x
  3. Step 3: Cross multiply
    10,066,483,213.27x = 13,897,698,669.09 × 8,949,557,665.78
  4. Step 4: Simplify right side
    10,066,483,213.27x = 124,378,255,660,654,919,680
  5. Step 5: Solve for x
    x = 124,378,255,660,654,919,680/10,066,483,213.27
  6. Step 6: Final answer
    x = 12,355,681,028.37

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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.