Home / 30,430,196,022.22-41,976,223,431.10-18,978,883,986.62

Finding the Fourth Proportional to 30,430,196,022.22, 41,976,223,431.10 and 18,978,883,986.62

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Solution

The fourth proportional to 30,430,196,022.22, 41,976,223,431.10 and 18,978,883,986.62 is: 26,179,978,404.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,430,196,022.22 : 41,976,223,431.10 = 18,978,883,986.62 : x
  2. Step 2: Convert to fraction form
    30,430,196,022.22/41,976,223,431.10 = 18,978,883,986.62/x
  3. Step 3: Cross multiply
    30,430,196,022.22x = 41,976,223,431.10 × 18,978,883,986.62
  4. Step 4: Simplify right side
    30,430,196,022.22x = 796,661,874,695,286,947,840
  5. Step 5: Solve for x
    x = 796,661,874,695,286,947,840/30,430,196,022.22
  6. Step 6: Final answer
    x = 26,179,978,404.13

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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.