Home / 807,206,313.68-1,113,944,670.24-435,928,309.28

Finding the Fourth Proportional to 807,206,313.68, 1,113,944,670.24 and 435,928,309.28

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Solution

The fourth proportional to 807,206,313.68, 1,113,944,670.24 and 435,928,309.28 is: 601,581,043.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,206,313.68 : 1,113,944,670.24 = 435,928,309.28 : x
  2. Step 2: Convert to fraction form
    807,206,313.68/1,113,944,670.24 = 435,928,309.28/x
  3. Step 3: Cross multiply
    807,206,313.68x = 1,113,944,670.24 × 435,928,309.28
  4. Step 4: Simplify right side
    807,206,313.68x = 485,600,016,729,190,336
  5. Step 5: Solve for x
    x = 485,600,016,729,190,336/807,206,313.68
  6. Step 6: Final answer
    x = 601,581,043.78

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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.