Home / 2,112,768,353.40-3,169,152,530.10-1,022,361,646.20

Finding the Fourth Proportional to 2,112,768,353.40, 3,169,152,530.10 and 1,022,361,646.20

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Solution

The fourth proportional to 2,112,768,353.40, 3,169,152,530.10 and 1,022,361,646.20 is: 1,533,542,469.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,112,768,353.40 : 3,169,152,530.10 = 1,022,361,646.20 : x
  2. Step 2: Convert to fraction form
    2,112,768,353.40/3,169,152,530.10 = 1,022,361,646.20/x
  3. Step 3: Cross multiply
    2,112,768,353.40x = 3,169,152,530.10 × 1,022,361,646.20
  4. Step 4: Simplify right side
    2,112,768,353.40x = 3,240,019,997,731,931,136
  5. Step 5: Solve for x
    x = 3,240,019,997,731,931,136/2,112,768,353.40
  6. Step 6: Final answer
    x = 1,533,542,469.30

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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.