Home / 1,213,388,735.55-1,675,632,912.12-1,147,284,164.67

Finding the Fourth Proportional to 1,213,388,735.55, 1,675,632,912.12 and 1,147,284,164.67

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Solution

The fourth proportional to 1,213,388,735.55, 1,675,632,912.12 and 1,147,284,164.67 is: 1,584,345,601.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,388,735.55 : 1,675,632,912.12 = 1,147,284,164.67 : x
  2. Step 2: Convert to fraction form
    1,213,388,735.55/1,675,632,912.12 = 1,147,284,164.67/x
  3. Step 3: Cross multiply
    1,213,388,735.55x = 1,675,632,912.12 × 1,147,284,164.67
  4. Step 4: Simplify right side
    1,213,388,735.55x = 1,922,427,105,875,153,664
  5. Step 5: Solve for x
    x = 1,922,427,105,875,153,664/1,213,388,735.55
  6. Step 6: Final answer
    x = 1,584,345,601.33

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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.