Home / 4,518,129,128.40-6,777,193,692.60-3,200,899,465.80

Finding the Fourth Proportional to 4,518,129,128.40, 6,777,193,692.60 and 3,200,899,465.80

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Solution

The fourth proportional to 4,518,129,128.40, 6,777,193,692.60 and 3,200,899,465.80 is: 4,801,349,198.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,518,129,128.40 : 6,777,193,692.60 = 3,200,899,465.80 : x
  2. Step 2: Convert to fraction form
    4,518,129,128.40/6,777,193,692.60 = 3,200,899,465.80/x
  3. Step 3: Cross multiply
    4,518,129,128.40x = 6,777,193,692.60 × 3,200,899,465.80
  4. Step 4: Simplify right side
    4,518,129,128.40x = 21,693,115,670,266,470,400
  5. Step 5: Solve for x
    x = 21,693,115,670,266,470,400/4,518,129,128.40
  6. Step 6: Final answer
    x = 4,801,349,198.70

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Double scale
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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.