Home / 641,060,735,806.64-961,622,030,185.46-210,788,294,559.88

Finding the Fourth Proportional to 641,060,735,806.64, 961,622,030,185.46 and 210,788,294,559.88

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Solution

The fourth proportional to 641,060,735,806.64, 961,622,030,185.46 and 210,788,294,559.88 is: 316,192,610,827.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,060,735,806.64 : 961,622,030,185.46 = 210,788,294,559.88 : x
  2. Step 2: Convert to fraction form
    641,060,735,806.64/961,622,030,185.46 = 210,788,294,559.88/x
  3. Step 3: Cross multiply
    641,060,735,806.64x = 961,622,030,185.46 × 210,788,294,559.88
  4. Step 4: Simplify right side
    641,060,735,806.64x = 202,698,667,754,002,545,901,568
  5. Step 5: Solve for x
    x = 202,698,667,754,002,545,901,568/641,060,735,806.64
  6. Step 6: Final answer
    x = 316,192,610,827.97

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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.