Finding the Fourth Proportional to 3,981,326,545.80, 5,971,989,818.70 and 3,336,354,001.80
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Solution
The fourth proportional to 3,981,326,545.80, 5,971,989,818.70 and 3,336,354,001.80 is: 5,004,531,002.70
Step by Step Solution
- Step 1: Write the proportion equation
3,981,326,545.80 : 5,971,989,818.70 = 3,336,354,001.80 : x - Step 2: Convert to fraction form
3,981,326,545.80/5,971,989,818.70 = 3,336,354,001.80/x - Step 3: Cross multiply
3,981,326,545.80x = 5,971,989,818.70 × 3,336,354,001.80 - Step 4: Simplify right side
3,981,326,545.80x = 19,924,672,130,328,600,576 - Step 5: Solve for x
x = 19,924,672,130,328,600,576/3,981,326,545.80 - Step 6: Final answer
x = 5,004,531,002.70
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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.