Home / 86,410,121,750.75-119,243,379,266.80-47,830,622,986.46

Finding the Fourth Proportional to 86,410,121,750.75, 119,243,379,266.80 and 47,830,622,986.46

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Solution

The fourth proportional to 86,410,121,750.75, 119,243,379,266.80 and 47,830,622,986.46 is: 66,004,826,770.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,410,121,750.75 : 119,243,379,266.80 = 47,830,622,986.46 : x
  2. Step 2: Convert to fraction form
    86,410,121,750.75/119,243,379,266.80 = 47,830,622,986.46/x
  3. Step 3: Cross multiply
    86,410,121,750.75x = 119,243,379,266.80 × 47,830,622,986.46
  4. Step 4: Simplify right side
    86,410,121,750.75x = 5,703,485,117,342,010,048,512
  5. Step 5: Solve for x
    x = 5,703,485,117,342,010,048,512/86,410,121,750.75
  6. Step 6: Final answer
    x = 66,004,826,770.10

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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.