Home / 852,332,516.28-1,278,556,511.22-299,567,741.40

Finding the Fourth Proportional to 852,332,516.28, 1,278,556,511.22 and 299,567,741.40

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Solution

The fourth proportional to 852,332,516.28, 1,278,556,511.22 and 299,567,741.40 is: 449,371,904.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,332,516.28 : 1,278,556,511.22 = 299,567,741.40 : x
  2. Step 2: Convert to fraction form
    852,332,516.28/1,278,556,511.22 = 299,567,741.40/x
  3. Step 3: Cross multiply
    852,332,516.28x = 1,278,556,511.22 × 299,567,741.40
  4. Step 4: Simplify right side
    852,332,516.28x = 383,014,286,318,439,168
  5. Step 5: Solve for x
    x = 383,014,286,318,439,168/852,332,516.28
  6. Step 6: Final answer
    x = 449,371,904.75

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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.