Home / 770,446,938.42-1,063,203,366.76-468,923,258.25

Finding the Fourth Proportional to 770,446,938.42, 1,063,203,366.76 and 468,923,258.25

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Solution

The fourth proportional to 770,446,938.42, 1,063,203,366.76 and 468,923,258.25 is: 647,105,935.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,446,938.42 : 1,063,203,366.76 = 468,923,258.25 : x
  2. Step 2: Convert to fraction form
    770,446,938.42/1,063,203,366.76 = 468,923,258.25/x
  3. Step 3: Cross multiply
    770,446,938.42x = 1,063,203,366.76 × 468,923,258.25
  4. Step 4: Simplify right side
    770,446,938.42x = 498,560,786,922,296,640
  5. Step 5: Solve for x
    x = 498,560,786,922,296,640/770,446,938.42
  6. Step 6: Final answer
    x = 647,105,935.61

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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.