Home / 1,296,699,776.43-1,945,824,315.09-1,191,201,466.92

Finding the Fourth Proportional to 1,296,699,776.43, 1,945,824,315.09 and 1,191,201,466.92

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Solution

The fourth proportional to 1,296,699,776.43, 1,945,824,315.09 and 1,191,201,466.92 is: 1,787,513,825.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,699,776.43 : 1,945,824,315.09 = 1,191,201,466.92 : x
  2. Step 2: Convert to fraction form
    1,296,699,776.43/1,945,824,315.09 = 1,191,201,466.92/x
  3. Step 3: Cross multiply
    1,296,699,776.43x = 1,945,824,315.09 × 1,191,201,466.92
  4. Step 4: Simplify right side
    1,296,699,776.43x = 2,317,868,778,503,812,096
  5. Step 5: Solve for x
    x = 2,317,868,778,503,812,096/1,296,699,776.43
  6. Step 6: Final answer
    x = 1,787,513,825.97

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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.