Home / 1,258,848,078.80-1,889,972,729.40-799,683,054.80

Finding the Fourth Proportional to 1,258,848,078.80, 1,889,972,729.40 and 799,683,054.80

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Solution

The fourth proportional to 1,258,848,078.80, 1,889,972,729.40 and 799,683,054.80 is: 1,200,604,895.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,848,078.80 : 1,889,972,729.40 = 799,683,054.80 : x
  2. Step 2: Convert to fraction form
    1,258,848,078.80/1,889,972,729.40 = 799,683,054.80/x
  3. Step 3: Cross multiply
    1,258,848,078.80x = 1,889,972,729.40 × 799,683,054.80
  4. Step 4: Simplify right side
    1,258,848,078.80x = 1,511,379,165,735,285,760
  5. Step 5: Solve for x
    x = 1,511,379,165,735,285,760/1,258,848,078.80
  6. Step 6: Final answer
    x = 1,200,604,895.21

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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.