Finding the Fourth Proportional to 389,267,367.03, 537,131,181.74 and 236,424,345.75
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Solution
The fourth proportional to 389,267,367.03, 537,131,181.74 and 236,424,345.75 is: 326,230,501.14
Step by Step Solution
- Step 1: Write the proportion equation
389,267,367.03 : 537,131,181.74 = 236,424,345.75 : x - Step 2: Convert to fraction form
389,267,367.03/537,131,181.74 = 236,424,345.75/x - Step 3: Cross multiply
389,267,367.03x = 537,131,181.74 × 236,424,345.75 - Step 4: Simplify right side
389,267,367.03x = 126,990,888,222,118,192 - Step 5: Solve for x
x = 126,990,888,222,118,192/389,267,367.03 - Step 6: Final answer
x = 326,230,501.14
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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.