Finding the Fourth Proportional to 1,250,663,225.12, 1,876,010,802.88 and 330,531,614.08
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Solution
The fourth proportional to 1,250,663,225.12, 1,876,010,802.88 and 330,531,614.08 is: 495,801,640.48
Step by Step Solution
- Step 1: Write the proportion equation
1,250,663,225.12 : 1,876,010,802.88 = 330,531,614.08 : x - Step 2: Convert to fraction form
1,250,663,225.12/1,876,010,802.88 = 330,531,614.08/x - Step 3: Cross multiply
1,250,663,225.12x = 1,876,010,802.88 × 330,531,614.08 - Step 4: Simplify right side
1,250,663,225.12x = 620,080,878,707,443,072 - Step 5: Solve for x
x = 620,080,878,707,443,072/1,250,663,225.12 - Step 6: Final answer
x = 495,801,640.48
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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.