Home / 3,209,096,728.19-4,427,890,322.31-1,852,707,125.64

Finding the Fourth Proportional to 3,209,096,728.19, 4,427,890,322.31 and 1,852,707,125.64

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Solution

The fourth proportional to 3,209,096,728.19, 4,427,890,322.31 and 1,852,707,125.64 is: 2,556,352,969.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,209,096,728.19 : 4,427,890,322.31 = 1,852,707,125.64 : x
  2. Step 2: Convert to fraction form
    3,209,096,728.19/4,427,890,322.31 = 1,852,707,125.64/x
  3. Step 3: Cross multiply
    3,209,096,728.19x = 4,427,890,322.31 × 1,852,707,125.64
  4. Step 4: Simplify right side
    3,209,096,728.19x = 8,203,583,951,696,134,144
  5. Step 5: Solve for x
    x = 8,203,583,951,696,134,144/3,209,096,728.19
  6. Step 6: Final answer
    x = 2,556,352,969.87

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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.