Home / 19,950,008,681.21-27,530,994,011.61-11,261,293,055.39

Finding the Fourth Proportional to 19,950,008,681.21, 27,530,994,011.61 and 11,261,293,055.39

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Solution

The fourth proportional to 19,950,008,681.21, 27,530,994,011.61 and 11,261,293,055.39 is: 15,540,574,273.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,950,008,681.21 : 27,530,994,011.61 = 11,261,293,055.39 : x
  2. Step 2: Convert to fraction form
    19,950,008,681.21/27,530,994,011.61 = 11,261,293,055.39/x
  3. Step 3: Cross multiply
    19,950,008,681.21x = 27,530,994,011.61 × 11,261,293,055.39
  4. Step 4: Simplify right side
    19,950,008,681.21x = 310,034,591,670,733,438,976
  5. Step 5: Solve for x
    x = 310,034,591,670,733,438,976/19,950,008,681.21
  6. Step 6: Final answer
    x = 15,540,574,273.67

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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.