Finding the Fourth Proportional to 754,428,597.96, 1,131,642,948.84 and 209,170,147.08
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Solution
The fourth proportional to 754,428,597.96, 1,131,642,948.84 and 209,170,147.08 is: 313,755,235.01
Step by Step Solution
- Step 1: Write the proportion equation
754,428,597.96 : 1,131,642,948.84 = 209,170,147.08 : x - Step 2: Convert to fraction form
754,428,597.96/1,131,642,948.84 = 209,170,147.08/x - Step 3: Cross multiply
754,428,597.96x = 1,131,642,948.84 × 209,170,147.08 - Step 4: Simplify right side
754,428,597.96x = 236,705,922,050,907,712 - Step 5: Solve for x
x = 236,705,922,050,907,712/754,428,597.96 - Step 6: Final answer
x = 313,755,235.01
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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.