Finding the Fourth Proportional to 2,374,572,452, 3,562,102,747.12 and 821,861,238.56
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Solution
The fourth proportional to 2,374,572,452, 3,562,102,747.12 and 821,861,238.56 is: 1,232,876,332.39
Step by Step Solution
- Step 1: Write the proportion equation
2,374,572,452 : 3,562,102,747.12 = 821,861,238.56 : x - Step 2: Convert to fraction form
2,374,572,452/3,562,102,747.12 = 821,861,238.56/x - Step 3: Cross multiply
2,374,572,452x = 3,562,102,747.12 × 821,861,238.56 - Step 4: Simplify right side
2,374,572,452x = 2,927,554,175,626,021,376 - Step 5: Solve for x
x = 2,927,554,175,626,021,376/2,374,572,452 - Step 6: Final answer
x = 1,232,876,332.39
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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.