Home / 681,476,601.20-1,022,214,901.80-641,165,817.20

Finding the Fourth Proportional to 681,476,601.20, 1,022,214,901.80 and 641,165,817.20

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Solution

The fourth proportional to 681,476,601.20, 1,022,214,901.80 and 641,165,817.20 is: 961,748,725.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,476,601.20 : 1,022,214,901.80 = 641,165,817.20 : x
  2. Step 2: Convert to fraction form
    681,476,601.20/1,022,214,901.80 = 641,165,817.20/x
  3. Step 3: Cross multiply
    681,476,601.20x = 1,022,214,901.80 × 641,165,817.20
  4. Step 4: Simplify right side
    681,476,601.20x = 655,409,252,866,614,784
  5. Step 5: Solve for x
    x = 655,409,252,866,614,784/681,476,601.20
  6. Step 6: Final answer
    x = 961,748,725.80

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1.5x scale

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.