Home / 1,092,530,011.80-1,638,795,017.70-966,259,630.20

Finding the Fourth Proportional to 1,092,530,011.80, 1,638,795,017.70 and 966,259,630.20

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Solution

The fourth proportional to 1,092,530,011.80, 1,638,795,017.70 and 966,259,630.20 is: 1,449,389,445.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092,530,011.80 : 1,638,795,017.70 = 966,259,630.20 : x
  2. Step 2: Convert to fraction form
    1,092,530,011.80/1,638,795,017.70 = 966,259,630.20/x
  3. Step 3: Cross multiply
    1,092,530,011.80x = 1,638,795,017.70 × 966,259,630.20
  4. Step 4: Simplify right side
    1,092,530,011.80x = 1,583,501,467,776,404,480
  5. Step 5: Solve for x
    x = 1,583,501,467,776,404,480/1,092,530,011.80
  6. Step 6: Final answer
    x = 1,449,389,445.30

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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.