Finding the Fourth Proportional to 6,980,768,811.36, 10,470,379,720.32 and 2,498,684,433.75
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Solution
The fourth proportional to 6,980,768,811.36, 10,470,379,720.32 and 2,498,684,433.75 is: 3,747,749,786.53
Step by Step Solution
- Step 1: Write the proportion equation
6,980,768,811.36 : 10,470,379,720.32 = 2,498,684,433.75 : x - Step 2: Convert to fraction form
6,980,768,811.36/10,470,379,720.32 = 2,498,684,433.75/x - Step 3: Cross multiply
6,980,768,811.36x = 10,470,379,720.32 × 2,498,684,433.75 - Step 4: Simplify right side
6,980,768,811.36x = 26,162,174,822,615,261,184 - Step 5: Solve for x
x = 26,162,174,822,615,261,184/6,980,768,811.36 - Step 6: Final answer
x = 3,747,749,786.53
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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.