Home / 1,196,235,912.47-1,650,736,684.28-667,558,405.67

Finding the Fourth Proportional to 1,196,235,912.47, 1,650,736,684.28 and 667,558,405.67

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Solution

The fourth proportional to 1,196,235,912.47, 1,650,736,684.28 and 667,558,405.67 is: 921,192,164.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,196,235,912.47 : 1,650,736,684.28 = 667,558,405.67 : x
  2. Step 2: Convert to fraction form
    1,196,235,912.47/1,650,736,684.28 = 667,558,405.67/x
  3. Step 3: Cross multiply
    1,196,235,912.47x = 1,650,736,684.28 × 667,558,405.67
  4. Step 4: Simplify right side
    1,196,235,912.47x = 1,101,963,149,135,601,152
  5. Step 5: Solve for x
    x = 1,101,963,149,135,601,152/1,196,235,912.47
  6. Step 6: Final answer
    x = 921,192,164.23

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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.