Home / 1,019,946,517.80-1,529,919,776.70-938,317,180.20

Finding the Fourth Proportional to 1,019,946,517.80, 1,529,919,776.70 and 938,317,180.20

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Solution

The fourth proportional to 1,019,946,517.80, 1,529,919,776.70 and 938,317,180.20 is: 1,407,475,770.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,946,517.80 : 1,529,919,776.70 = 938,317,180.20 : x
  2. Step 2: Convert to fraction form
    1,019,946,517.80/1,529,919,776.70 = 938,317,180.20/x
  3. Step 3: Cross multiply
    1,019,946,517.80x = 1,529,919,776.70 × 938,317,180.20
  4. Step 4: Simplify right side
    1,019,946,517.80x = 1,435,550,010,805,357,824
  5. Step 5: Solve for x
    x = 1,435,550,010,805,357,824/1,019,946,517.80
  6. Step 6: Final answer
    x = 1,407,475,770.30

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Double scale
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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.