Home / 3,886,392,818,881.80-5,363,390,678,977.50-2,152,202,375,213.80

Finding the Fourth Proportional to 3,886,392,818,881.80, 5,363,390,678,977.50 and 2,152,202,375,213.80

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Solution

The fourth proportional to 3,886,392,818,881.80, 5,363,390,678,977.50 and 2,152,202,375,213.80 is: 2,970,132,638,783.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,886,392,818,881.80 : 5,363,390,678,977.50 = 2,152,202,375,213.80 : x
  2. Step 2: Convert to fraction form
    3,886,392,818,881.80/5,363,390,678,977.50 = 2,152,202,375,213.80/x
  3. Step 3: Cross multiply
    3,886,392,818,881.80x = 5,363,390,678,977.50 × 2,152,202,375,213.80
  4. Step 4: Simplify right side
    3,886,392,818,881.80x = 11,543,102,158,494,930,476,990,464
  5. Step 5: Solve for x
    x = 11,543,102,158,494,930,476,990,464/3,886,392,818,881.80
  6. Step 6: Final answer
    x = 2,970,132,638,783.57

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