Finding the Fourth Proportional to 313,830,342.70, 470,745,514.06 and 98,419,245.10
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Solution
The fourth proportional to 313,830,342.70, 470,745,514.06 and 98,419,245.10 is: 147,628,867.65
Step by Step Solution
- Step 1: Write the proportion equation
313,830,342.70 : 470,745,514.06 = 98,419,245.10 : x - Step 2: Convert to fraction form
313,830,342.70/470,745,514.06 = 98,419,245.10/x - Step 3: Cross multiply
313,830,342.70x = 470,745,514.06 × 98,419,245.10 - Step 4: Simplify right side
313,830,342.70x = 46,330,418,127,996,632 - Step 5: Solve for x
x = 46,330,418,127,996,632/313,830,342.70 - Step 6: Final answer
x = 147,628,867.65
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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.