Home / 14,078,541,458.07-19,430,052,785.62-8,362,848,466.53

Finding the Fourth Proportional to 14,078,541,458.07, 19,430,052,785.62 and 8,362,848,466.53

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Solution

The fourth proportional to 14,078,541,458.07, 19,430,052,785.62 and 8,362,848,466.53 is: 11,541,720,257.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,078,541,458.07 : 19,430,052,785.62 = 8,362,848,466.53 : x
  2. Step 2: Convert to fraction form
    14,078,541,458.07/19,430,052,785.62 = 8,362,848,466.53/x
  3. Step 3: Cross multiply
    14,078,541,458.07x = 19,430,052,785.62 × 8,362,848,466.53
  4. Step 4: Simplify right side
    14,078,541,458.07x = 162,490,587,142,785,728,512
  5. Step 5: Solve for x
    x = 162,490,587,142,785,728,512/14,078,541,458.07
  6. Step 6: Final answer
    x = 11,541,720,257.51

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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.