Home / 493,658,620,933.68-681,194,426,999.85-276,840,197,091.36

Finding the Fourth Proportional to 493,658,620,933.68, 681,194,426,999.85 and 276,840,197,091.36

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Solution

The fourth proportional to 493,658,620,933.68, 681,194,426,999.85 and 276,840,197,091.36 is: 382,008,925,665.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,658,620,933.68 : 681,194,426,999.85 = 276,840,197,091.36 : x
  2. Step 2: Convert to fraction form
    493,658,620,933.68/681,194,426,999.85 = 276,840,197,091.36/x
  3. Step 3: Cross multiply
    493,658,620,933.68x = 681,194,426,999.85 × 276,840,197,091.36
  4. Step 4: Simplify right side
    493,658,620,933.68x = 188,581,999,428,174,482,505,728
  5. Step 5: Solve for x
    x = 188,581,999,428,174,482,505,728/493,658,620,933.68
  6. Step 6: Final answer
    x = 382,008,925,665.07

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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.