Home / 680,128,718,425-1,020,336,357,701.70-220,627,509,514.90

Finding the Fourth Proportional to 680,128,718,425, 1,020,336,357,701.70 and 220,627,509,514.90

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Solution

The fourth proportional to 680,128,718,425, 1,020,336,357,701.70 and 220,627,509,514.90 is: 330,987,743,009.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,128,718,425 : 1,020,336,357,701.70 = 220,627,509,514.90 : x
  2. Step 2: Convert to fraction form
    680,128,718,425/1,020,336,357,701.70 = 220,627,509,514.90/x
  3. Step 3: Cross multiply
    680,128,718,425x = 1,020,336,357,701.70 × 220,627,509,514.90
  4. Step 4: Simplify right side
    680,128,718,425x = 225,114,269,467,230,202,757,120
  5. Step 5: Solve for x
    x = 225,114,269,467,230,202,757,120/680,128,718,425
  6. Step 6: Final answer
    x = 330,987,743,009.20

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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.