Home / 1,296,699,775.43-1,945,824,313.59-1,191,201,465.92

Finding the Fourth Proportional to 1,296,699,775.43, 1,945,824,313.59 and 1,191,201,465.92

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Solution

The fourth proportional to 1,296,699,775.43, 1,945,824,313.59 and 1,191,201,465.92 is: 1,787,513,824.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,699,775.43 : 1,945,824,313.59 = 1,191,201,465.92 : x
  2. Step 2: Convert to fraction form
    1,296,699,775.43/1,945,824,313.59 = 1,191,201,465.92/x
  3. Step 3: Cross multiply
    1,296,699,775.43x = 1,945,824,313.59 × 1,191,201,465.92
  4. Step 4: Simplify right side
    1,296,699,775.43x = 2,317,868,774,771,185,664
  5. Step 5: Solve for x
    x = 2,317,868,774,771,185,664/1,296,699,775.43
  6. Step 6: Final answer
    x = 1,787,513,824.47

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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.