Finding the Fourth Proportional to 545,748,696.30, 818,623,044.45 and 218,062,175.70
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Solution
The fourth proportional to 545,748,696.30, 818,623,044.45 and 218,062,175.70 is: 327,093,263.55
Step by Step Solution
- Step 1: Write the proportion equation
545,748,696.30 : 818,623,044.45 = 218,062,175.70 : x - Step 2: Convert to fraction form
545,748,696.30/818,623,044.45 = 218,062,175.70/x - Step 3: Cross multiply
545,748,696.30x = 818,623,044.45 × 218,062,175.70 - Step 4: Simplify right side
545,748,696.30x = 178,510,722,150,924,800 - Step 5: Solve for x
x = 178,510,722,150,924,800/545,748,696.30 - Step 6: Final answer
x = 327,093,263.55
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1.5x scale
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.