Finding the Fourth Proportional to 10,780,128,881.80, 16,170,193,322.70 and 2,610,476,657.80
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Solution
The fourth proportional to 10,780,128,881.80, 16,170,193,322.70 and 2,610,476,657.80 is: 3,915,714,986.70
Step by Step Solution
- Step 1: Write the proportion equation
10,780,128,881.80 : 16,170,193,322.70 = 2,610,476,657.80 : x - Step 2: Convert to fraction form
10,780,128,881.80/16,170,193,322.70 = 2,610,476,657.80/x - Step 3: Cross multiply
10,780,128,881.80x = 16,170,193,322.70 × 2,610,476,657.80 - Step 4: Simplify right side
10,780,128,881.80x = 42,211,912,221,021,782,016 - Step 5: Solve for x
x = 42,211,912,221,021,782,016/10,780,128,881.80 - Step 6: Final answer
x = 3,915,714,986.70
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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.