Home / 534,679,906.40-802,019,859.60-351,013,896.80

Finding the Fourth Proportional to 534,679,906.40, 802,019,859.60 and 351,013,896.80

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Solution

The fourth proportional to 534,679,906.40, 802,019,859.60 and 351,013,896.80 is: 526,520,845.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,679,906.40 : 802,019,859.60 = 351,013,896.80 : x
  2. Step 2: Convert to fraction form
    534,679,906.40/802,019,859.60 = 351,013,896.80/x
  3. Step 3: Cross multiply
    534,679,906.40x = 802,019,859.60 × 351,013,896.80
  4. Step 4: Simplify right side
    534,679,906.40x = 281,520,116,229,184,896
  5. Step 5: Solve for x
    x = 281,520,116,229,184,896/534,679,906.40
  6. Step 6: Final answer
    x = 526,520,845.20

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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.