Home / 2,921,970,738.69-4,382,894,701.68-711,192,786.23

Finding the Fourth Proportional to 2,921,970,738.69, 4,382,894,701.68 and 711,192,786.23

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Solution

The fourth proportional to 2,921,970,738.69, 4,382,894,701.68 and 711,192,786.23 is: 1,066,774,233.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,921,970,738.69 : 4,382,894,701.68 = 711,192,786.23 : x
  2. Step 2: Convert to fraction form
    2,921,970,738.69/4,382,894,701.68 = 711,192,786.23/x
  3. Step 3: Cross multiply
    2,921,970,738.69x = 4,382,894,701.68 × 711,192,786.23
  4. Step 4: Simplify right side
    2,921,970,738.69x = 3,117,083,094,640,504,320
  5. Step 5: Solve for x
    x = 3,117,083,094,640,504,320/2,921,970,738.69
  6. Step 6: Final answer
    x = 1,066,774,233.35

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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.