Finding the Fourth Proportional to 3,908,695,481.20, 5,863,043,221.80 and 3,296,475,449.20
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Solution
The fourth proportional to 3,908,695,481.20, 5,863,043,221.80 and 3,296,475,449.20 is: 4,944,713,173.80
Step by Step Solution
- Step 1: Write the proportion equation
3,908,695,481.20 : 5,863,043,221.80 = 3,296,475,449.20 : x - Step 2: Convert to fraction form
3,908,695,481.20/5,863,043,221.80 = 3,296,475,449.20/x - Step 3: Cross multiply
3,908,695,481.20x = 5,863,043,221.80 × 3,296,475,449.20 - Step 4: Simplify right side
3,908,695,481.20x = 19,327,378,038,262,169,600 - Step 5: Solve for x
x = 19,327,378,038,262,169,600/3,908,695,481.20 - Step 6: Final answer
x = 4,944,713,173.80
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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.