Finding the Fourth Proportional to 1,488,717,351.37, 2,233,409,063.42 and 453,659,240.17
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Solution
The fourth proportional to 1,488,717,351.37, 2,233,409,063.42 and 453,659,240.17 is: 680,590,346.96
Step by Step Solution
- Step 1: Write the proportion equation
1,488,717,351.37 : 2,233,409,063.42 = 453,659,240.17 : x - Step 2: Convert to fraction form
1,488,717,351.37/2,233,409,063.42 = 453,659,240.17/x - Step 3: Cross multiply
1,488,717,351.37x = 2,233,409,063.42 × 453,659,240.17 - Step 4: Simplify right side
1,488,717,351.37x = 1,013,206,658,699,908,608 - Step 5: Solve for x
x = 1,013,206,658,699,908,608/1,488,717,351.37 - Step 6: Final answer
x = 680,590,346.96
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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.