Finding the Fourth Proportional to 7,749,479,080.10, 11,627,846,642.56 and 3,386,844,481.70
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Solution
The fourth proportional to 7,749,479,080.10, 11,627,846,642.56 and 3,386,844,481.70 is: 5,081,852,319.15
Step by Step Solution
- Step 1: Write the proportion equation
7,749,479,080.10 : 11,627,846,642.56 = 3,386,844,481.70 : x - Step 2: Convert to fraction form
7,749,479,080.10/11,627,846,642.56 = 3,386,844,481.70/x - Step 3: Cross multiply
7,749,479,080.10x = 11,627,846,642.56 × 3,386,844,481.70 - Step 4: Simplify right side
7,749,479,080.10x = 39,381,708,235,408,203,776 - Step 5: Solve for x
x = 39,381,708,235,408,203,776/7,749,479,080.10 - Step 6: Final answer
x = 5,081,852,319.15
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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.