Home / 829,100,448,305.80-1,243,650,672,458.70-678,471,362,182.60

Finding the Fourth Proportional to 829,100,448,305.80, 1,243,650,672,458.70 and 678,471,362,182.60

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Solution

The fourth proportional to 829,100,448,305.80, 1,243,650,672,458.70 and 678,471,362,182.60 is: 1,017,707,043,273.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,100,448,305.80 : 1,243,650,672,458.70 = 678,471,362,182.60 : x
  2. Step 2: Convert to fraction form
    829,100,448,305.80/1,243,650,672,458.70 = 678,471,362,182.60/x
  3. Step 3: Cross multiply
    829,100,448,305.80x = 1,243,650,672,458.70 × 678,471,362,182.60
  4. Step 4: Simplify right side
    829,100,448,305.80x = 843,781,365,822,360,676,990,976
  5. Step 5: Solve for x
    x = 843,781,365,822,360,676,990,976/829,100,448,305.80
  6. Step 6: Final answer
    x = 1,017,707,043,273.90

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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.