Home / 1,258,848,103.80-1,889,972,766.90-799,683,079.80

Finding the Fourth Proportional to 1,258,848,103.80, 1,889,972,766.90 and 799,683,079.80

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Solution

The fourth proportional to 1,258,848,103.80, 1,889,972,766.90 and 799,683,079.80 is: 1,200,604,932.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,848,103.80 : 1,889,972,766.90 = 799,683,079.80 : x
  2. Step 2: Convert to fraction form
    1,258,848,103.80/1,889,972,766.90 = 799,683,079.80/x
  3. Step 3: Cross multiply
    1,258,848,103.80x = 1,889,972,766.90 × 799,683,079.80
  4. Step 4: Simplify right side
    1,258,848,103.80x = 1,511,379,242,972,719,360
  5. Step 5: Solve for x
    x = 1,511,379,242,972,719,360/1,258,848,103.80
  6. Step 6: Final answer
    x = 1,200,604,932.72

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1.5x scale

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.