Home / 674,862,132.20-1,012,283,749.38-265,921,825.64

Finding the Fourth Proportional to 674,862,132.20, 1,012,283,749.38 and 265,921,825.64

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Solution

The fourth proportional to 674,862,132.20, 1,012,283,749.38 and 265,921,825.64 is: 398,879,015.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,862,132.20 : 1,012,283,749.38 = 265,921,825.64 : x
  2. Step 2: Convert to fraction form
    674,862,132.20/1,012,283,749.38 = 265,921,825.64/x
  3. Step 3: Cross multiply
    674,862,132.20x = 1,012,283,749.38 × 265,921,825.64
  4. Step 4: Simplify right side
    674,862,132.20x = 269,188,342,700,833,792
  5. Step 5: Solve for x
    x = 269,188,342,700,833,792/674,862,132.20
  6. Step 6: Final answer
    x = 398,879,015.22

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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.