Home / 806,786,530.73-1,113,336,019.19-449,535,849.29

Finding the Fourth Proportional to 806,786,530.73, 1,113,336,019.19 and 449,535,849.29

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Solution

The fourth proportional to 806,786,530.73, 1,113,336,019.19 and 449,535,849.29 is: 620,343,094.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,786,530.73 : 1,113,336,019.19 = 449,535,849.29 : x
  2. Step 2: Convert to fraction form
    806,786,530.73/1,113,336,019.19 = 449,535,849.29/x
  3. Step 3: Cross multiply
    806,786,530.73x = 1,113,336,019.19 × 449,535,849.29
  4. Step 4: Simplify right side
    806,786,530.73x = 500,484,452,923,910,016
  5. Step 5: Solve for x
    x = 500,484,452,923,910,016/806,786,530.73
  6. Step 6: Final answer
    x = 620,343,094.32

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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.