Home / 12,177,993,714.40-18,266,990,571.60-5,979,265,890.40

Finding the Fourth Proportional to 12,177,993,714.40, 18,266,990,571.60 and 5,979,265,890.40

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Solution

The fourth proportional to 12,177,993,714.40, 18,266,990,571.60 and 5,979,265,890.40 is: 8,968,898,835.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,177,993,714.40 : 18,266,990,571.60 = 5,979,265,890.40 : x
  2. Step 2: Convert to fraction form
    12,177,993,714.40/18,266,990,571.60 = 5,979,265,890.40/x
  3. Step 3: Cross multiply
    12,177,993,714.40x = 18,266,990,571.60 × 5,979,265,890.40
  4. Step 4: Simplify right side
    12,177,993,714.40x = 109,223,193,645,026,263,040
  5. Step 5: Solve for x
    x = 109,223,193,645,026,263,040/12,177,993,714.40
  6. Step 6: Final answer
    x = 8,968,898,835.60

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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.