Finding the Fourth Proportional to 2,317,986,586.26, 3,199,653,543.58 and 1,378,186,986.16
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Solution
The fourth proportional to 2,317,986,586.26, 3,199,653,543.58 and 1,378,186,986.16 is: 1,902,392,749.00
Step by Step Solution
- Step 1: Write the proportion equation
2,317,986,586.26 : 3,199,653,543.58 = 1,378,186,986.16 : x - Step 2: Convert to fraction form
2,317,986,586.26/3,199,653,543.58 = 1,378,186,986.16/x - Step 3: Cross multiply
2,317,986,586.26x = 3,199,653,543.58 × 1,378,186,986.16 - Step 4: Simplify right side
2,317,986,586.26x = 4,409,720,873,982,684,672 - Step 5: Solve for x
x = 4,409,720,873,982,684,672/2,317,986,586.26 - Step 6: Final answer
x = 1,902,392,749.00
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.