Home / 1,210,075,847.70-1,815,113,771.55-1,183,201,991.70

Finding the Fourth Proportional to 1,210,075,847.70, 1,815,113,771.55 and 1,183,201,991.70

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Solution

The fourth proportional to 1,210,075,847.70, 1,815,113,771.55 and 1,183,201,991.70 is: 1,774,802,987.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,075,847.70 : 1,815,113,771.55 = 1,183,201,991.70 : x
  2. Step 2: Convert to fraction form
    1,210,075,847.70/1,815,113,771.55 = 1,183,201,991.70/x
  3. Step 3: Cross multiply
    1,210,075,847.70x = 1,815,113,771.55 × 1,183,201,991.70
  4. Step 4: Simplify right side
    1,210,075,847.70x = 2,147,646,229,660,058,880
  5. Step 5: Solve for x
    x = 2,147,646,229,660,058,880/1,210,075,847.70
  6. Step 6: Final answer
    x = 1,774,802,987.55

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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.