Home / 864,340,102.57-1,192,342,986.70-585,786,364.33

Finding the Fourth Proportional to 864,340,102.57, 1,192,342,986.70 and 585,786,364.33

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Solution

The fourth proportional to 864,340,102.57, 1,192,342,986.70 and 585,786,364.33 is: 808,082,676.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,340,102.57 : 1,192,342,986.70 = 585,786,364.33 : x
  2. Step 2: Convert to fraction form
    864,340,102.57/1,192,342,986.70 = 585,786,364.33/x
  3. Step 3: Cross multiply
    864,340,102.57x = 1,192,342,986.70 × 585,786,364.33
  4. Step 4: Simplify right side
    864,340,102.57x = 698,458,263,213,366,656
  5. Step 5: Solve for x
    x = 698,458,263,213,366,656/864,340,102.57
  6. Step 6: Final answer
    x = 808,082,676.18

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1.5x scale

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.