Home / 858,624,010.60-1,287,936,015.90-798,157,834.60

Finding the Fourth Proportional to 858,624,010.60, 1,287,936,015.90 and 798,157,834.60

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Solution

The fourth proportional to 858,624,010.60, 1,287,936,015.90 and 798,157,834.60 is: 1,197,236,751.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,624,010.60 : 1,287,936,015.90 = 798,157,834.60 : x
  2. Step 2: Convert to fraction form
    858,624,010.60/1,287,936,015.90 = 798,157,834.60/x
  3. Step 3: Cross multiply
    858,624,010.60x = 1,287,936,015.90 × 798,157,834.60
  4. Step 4: Simplify right side
    858,624,010.60x = 1,027,976,221,554,095,232
  5. Step 5: Solve for x
    x = 1,027,976,221,554,095,232/858,624,010.60
  6. Step 6: Final answer
    x = 1,197,236,751.90

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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.