Home / 858,128,256,069.90-1,287,192,384,104.90-858,128,256,069.90

Finding the Fourth Proportional to 858,128,256,069.90, 1,287,192,384,104.90 and 858,128,256,069.90

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Solution

The fourth proportional to 858,128,256,069.90, 1,287,192,384,104.90 and 858,128,256,069.90 is: 1,287,192,384,104.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,128,256,069.90 : 1,287,192,384,104.90 = 858,128,256,069.90 : x
  2. Step 2: Convert to fraction form
    858,128,256,069.90/1,287,192,384,104.90 = 858,128,256,069.90/x
  3. Step 3: Cross multiply
    858,128,256,069.90x = 1,287,192,384,104.90 × 858,128,256,069.90
  4. Step 4: Simplify right side
    858,128,256,069.90x = 1,104,576,155,798,394,705,543,168
  5. Step 5: Solve for x
    x = 1,104,576,155,798,394,705,543,168/858,128,256,069.90
  6. Step 6: Final answer
    x = 1,287,192,384,104.90

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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.