Home / 25,789,040,006.40-38,683,560,009.60-20,177,778,873.60

Finding the Fourth Proportional to 25,789,040,006.40, 38,683,560,009.60 and 20,177,778,873.60

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Solution

The fourth proportional to 25,789,040,006.40, 38,683,560,009.60 and 20,177,778,873.60 is: 30,266,668,310.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,789,040,006.40 : 38,683,560,009.60 = 20,177,778,873.60 : x
  2. Step 2: Convert to fraction form
    25,789,040,006.40/38,683,560,009.60 = 20,177,778,873.60/x
  3. Step 3: Cross multiply
    25,789,040,006.40x = 38,683,560,009.60 × 20,177,778,873.60
  4. Step 4: Simplify right side
    25,789,040,006.40x = 780,548,319,917,344,555,008
  5. Step 5: Solve for x
    x = 780,548,319,917,344,555,008/25,789,040,006.40
  6. Step 6: Final answer
    x = 30,266,668,310.40

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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.