Home / 1,170,412,824.30-1,755,619,236.45-480,814,982.70

Finding the Fourth Proportional to 1,170,412,824.30, 1,755,619,236.45 and 480,814,982.70

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Solution

The fourth proportional to 1,170,412,824.30, 1,755,619,236.45 and 480,814,982.70 is: 721,222,474.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,412,824.30 : 1,755,619,236.45 = 480,814,982.70 : x
  2. Step 2: Convert to fraction form
    1,170,412,824.30/1,755,619,236.45 = 480,814,982.70/x
  3. Step 3: Cross multiply
    1,170,412,824.30x = 1,755,619,236.45 × 480,814,982.70
  4. Step 4: Simplify right side
    1,170,412,824.30x = 844,128,032,801,494,016
  5. Step 5: Solve for x
    x = 844,128,032,801,494,016/1,170,412,824.30
  6. Step 6: Final answer
    x = 721,222,474.05

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Half scale
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Double scale
Find fourth proportional to 1,170,412,825.30, 1,755,619,237.95 and 480,814,983.70
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.