Home / 1,513,577,431.56-2,271,524,958.67-685,112,873.39

Finding the Fourth Proportional to 1,513,577,431.56, 2,271,524,958.67 and 685,112,873.39

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Solution

The fourth proportional to 1,513,577,431.56, 2,271,524,958.67 and 685,112,873.39 is: 1,028,193,839.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,513,577,431.56 : 2,271,524,958.67 = 685,112,873.39 : x
  2. Step 2: Convert to fraction form
    1,513,577,431.56/2,271,524,958.67 = 685,112,873.39/x
  3. Step 3: Cross multiply
    1,513,577,431.56x = 2,271,524,958.67 × 685,112,873.39
  4. Step 4: Simplify right side
    1,513,577,431.56x = 1,556,250,991,406,313,216
  5. Step 5: Solve for x
    x = 1,556,250,991,406,313,216/1,513,577,431.56
  6. Step 6: Final answer
    x = 1,028,193,839.94

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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.