Finding the Fourth Proportional to 612,932,762.12, 845,865,074.76 and 334,492,220.48
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Solution
The fourth proportional to 612,932,762.12, 845,865,074.76 and 334,492,220.48 is: 461,609,012.55
Step by Step Solution
- Step 1: Write the proportion equation
612,932,762.12 : 845,865,074.76 = 334,492,220.48 : x - Step 2: Convert to fraction form
612,932,762.12/845,865,074.76 = 334,492,220.48/x - Step 3: Cross multiply
612,932,762.12x = 845,865,074.76 × 334,492,220.48 - Step 4: Simplify right side
612,932,762.12x = 282,935,287,082,953,632 - Step 5: Solve for x
x = 282,935,287,082,953,632/612,932,762.12 - Step 6: Final answer
x = 461,609,012.55
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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.