Home / 1,925,383,138.74-2,887,233,685.11-681,400,329.48

Finding the Fourth Proportional to 1,925,383,138.74, 2,887,233,685.11 and 681,400,329.48

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Solution

The fourth proportional to 1,925,383,138.74, 2,887,233,685.11 and 681,400,329.48 is: 1,021,802,853.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,925,383,138.74 : 2,887,233,685.11 = 681,400,329.48 : x
  2. Step 2: Convert to fraction form
    1,925,383,138.74/2,887,233,685.11 = 681,400,329.48/x
  3. Step 3: Cross multiply
    1,925,383,138.74x = 2,887,233,685.11 × 681,400,329.48
  4. Step 4: Simplify right side
    1,925,383,138.74x = 1,967,361,984,319,708,672
  5. Step 5: Solve for x
    x = 1,967,361,984,319,708,672/1,925,383,138.74
  6. Step 6: Final answer
    x = 1,021,802,853.02

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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.