Home / 8,858,350,370.25-12,218,763,466.89-5,681,502,360.45

Finding the Fourth Proportional to 8,858,350,370.25, 12,218,763,466.89 and 5,681,502,360.45

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Solution

The fourth proportional to 8,858,350,370.25, 12,218,763,466.89 and 5,681,502,360.45 is: 7,836,778,923.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,858,350,370.25 : 12,218,763,466.89 = 5,681,502,360.45 : x
  2. Step 2: Convert to fraction form
    8,858,350,370.25/12,218,763,466.89 = 5,681,502,360.45/x
  3. Step 3: Cross multiply
    8,858,350,370.25x = 12,218,763,466.89 × 5,681,502,360.45
  4. Step 4: Simplify right side
    8,858,350,370.25x = 69,420,933,478,915,751,936
  5. Step 5: Solve for x
    x = 69,420,933,478,915,751,936/8,858,350,370.25
  6. Step 6: Final answer
    x = 7,836,778,923.54

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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.