Home / 1,100,869,512.09-1,519,200,174.66-605,832,220.59

Finding the Fourth Proportional to 1,100,869,512.09, 1,519,200,174.66 and 605,832,220.59

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Solution

The fourth proportional to 1,100,869,512.09, 1,519,200,174.66 and 605,832,220.59 is: 836,048,600.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,869,512.09 : 1,519,200,174.66 = 605,832,220.59 : x
  2. Step 2: Convert to fraction form
    1,100,869,512.09/1,519,200,174.66 = 605,832,220.59/x
  3. Step 3: Cross multiply
    1,100,869,512.09x = 1,519,200,174.66 × 605,832,220.59
  4. Step 4: Simplify right side
    1,100,869,512.09x = 920,380,415,334,983,808
  5. Step 5: Solve for x
    x = 920,380,415,334,983,808/1,100,869,512.09
  6. Step 6: Final answer
    x = 836,048,600.88

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Half scale
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Double scale
Find fourth proportional to 1,100,869,513.09, 1,519,200,176.04 and 605,832,221.59
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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.