Home / 13,379,563,352.88-18,458,571,920.67-7,660,791,705.78

Finding the Fourth Proportional to 13,379,563,352.88, 18,458,571,920.67 and 7,660,791,705.78

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Solution

The fourth proportional to 13,379,563,352.88, 18,458,571,920.67 and 7,660,791,705.78 is: 10,568,900,564.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,379,563,352.88 : 18,458,571,920.67 = 7,660,791,705.78 : x
  2. Step 2: Convert to fraction form
    13,379,563,352.88/18,458,571,920.67 = 7,660,791,705.78/x
  3. Step 3: Cross multiply
    13,379,563,352.88x = 18,458,571,920.67 × 7,660,791,705.78
  4. Step 4: Simplify right side
    13,379,563,352.88x = 141,407,274,670,412,316,672
  5. Step 5: Solve for x
    x = 141,407,274,670,412,316,672/13,379,563,352.88
  6. Step 6: Final answer
    x = 10,568,900,564.31

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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.