Home / 682,781,411.52-1,024,085,728.38-216,447,330.44

Finding the Fourth Proportional to 682,781,411.52, 1,024,085,728.38 and 216,447,330.44

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Solution

The fourth proportional to 682,781,411.52, 1,024,085,728.38 and 216,447,330.44 is: 324,643,609.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,781,411.52 : 1,024,085,728.38 = 216,447,330.44 : x
  2. Step 2: Convert to fraction form
    682,781,411.52/1,024,085,728.38 = 216,447,330.44/x
  3. Step 3: Cross multiply
    682,781,411.52x = 1,024,085,728.38 × 216,447,330.44
  4. Step 4: Simplify right side
    682,781,411.52x = 221,660,622,049,553,952
  5. Step 5: Solve for x
    x = 221,660,622,049,553,952/682,781,411.52
  6. Step 6: Final answer
    x = 324,643,609.67

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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.