Home / 791,278,897.82-1,091,954,575.98-452,183,515.10

Finding the Fourth Proportional to 791,278,897.82, 1,091,954,575.98 and 452,183,515.10

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Solution

The fourth proportional to 791,278,897.82, 1,091,954,575.98 and 452,183,515.10 is: 624,007,363.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,278,897.82 : 1,091,954,575.98 = 452,183,515.10 : x
  2. Step 2: Convert to fraction form
    791,278,897.82/1,091,954,575.98 = 452,183,515.10/x
  3. Step 3: Cross multiply
    791,278,897.82x = 1,091,954,575.98 × 452,183,515.10
  4. Step 4: Simplify right side
    791,278,897.82x = 493,763,858,496,166,464
  5. Step 5: Solve for x
    x = 493,763,858,496,166,464/791,278,897.82
  6. Step 6: Final answer
    x = 624,007,363.09

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Double scale
Find fourth proportional to 791,278,898.82, 1,091,954,577.36 and 452,183,516.10
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.