Home / 3,638,769,801,152.80-5,458,490,239,061.10-1,188,300,884,405.60

Finding the Fourth Proportional to 3,638,769,801,152.80, 5,458,490,239,061.10 and 1,188,300,884,405.60

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Solution

The fourth proportional to 3,638,769,801,152.80, 5,458,490,239,061.10 and 1,188,300,884,405.60 is: 1,782,560,901,912.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,638,769,801,152.80 : 5,458,490,239,061.10 = 1,188,300,884,405.60 : x
  2. Step 2: Convert to fraction form
    3,638,769,801,152.80/5,458,490,239,061.10 = 1,188,300,884,405.60/x
  3. Step 3: Cross multiply
    3,638,769,801,152.80x = 5,458,490,239,061.10 × 1,188,300,884,405.60
  4. Step 4: Simplify right side
    3,638,769,801,152.80x = 6,486,328,778,595,640,474,075,136
  5. Step 5: Solve for x
    x = 6,486,328,778,595,640,474,075,136/3,638,769,801,152.80
  6. Step 6: Final answer
    x = 1,782,560,901,912.70

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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.