Home / 622,505,743.04-859,162,431.84-421,471,453.76

Finding the Fourth Proportional to 622,505,743.04, 859,162,431.84 and 421,471,453.76

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Solution

The fourth proportional to 622,505,743.04, 859,162,431.84 and 421,471,453.76 is: 581,701,362.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,505,743.04 : 859,162,431.84 = 421,471,453.76 : x
  2. Step 2: Convert to fraction form
    622,505,743.04/859,162,431.84 = 421,471,453.76/x
  3. Step 3: Cross multiply
    622,505,743.04x = 859,162,431.84 × 421,471,453.76
  4. Step 4: Simplify right side
    622,505,743.04x = 362,112,439,163,581,696
  5. Step 5: Solve for x
    x = 362,112,439,163,581,696/622,505,743.04
  6. Step 6: Final answer
    x = 581,701,362.94

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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.