Home / 351,201,378,094.88-484,657,901,723.94-198,954,206,085.92

Finding the Fourth Proportional to 351,201,378,094.88, 484,657,901,723.94 and 198,954,206,085.92

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Solution

The fourth proportional to 351,201,378,094.88, 484,657,901,723.94 and 198,954,206,085.92 is: 274,556,804,371.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,201,378,094.88 : 484,657,901,723.94 = 198,954,206,085.92 : x
  2. Step 2: Convert to fraction form
    351,201,378,094.88/484,657,901,723.94 = 198,954,206,085.92/x
  3. Step 3: Cross multiply
    351,201,378,094.88x = 484,657,901,723.94 × 198,954,206,085.92
  4. Step 4: Simplify right side
    351,201,378,094.88x = 96,424,728,060,754,323,832,832
  5. Step 5: Solve for x
    x = 96,424,728,060,754,323,832,832/351,201,378,094.88
  6. Step 6: Final answer
    x = 274,556,804,371.95

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1.5x scale

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.