Finding the Fourth Proportional to 341,769,326.78, 471,717,545.29 and 207,778,771.78
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Solution
The fourth proportional to 341,769,326.78, 471,717,545.29 and 207,778,771.78 is: 286,780,832.87
Step by Step Solution
- Step 1: Write the proportion equation
341,769,326.78 : 471,717,545.29 = 207,778,771.78 : x - Step 2: Convert to fraction form
341,769,326.78/471,717,545.29 = 207,778,771.78/x - Step 3: Cross multiply
341,769,326.78x = 471,717,545.29 × 207,778,771.78 - Step 4: Simplify right side
341,769,326.78x = 98,012,892,185,626,336 - Step 5: Solve for x
x = 98,012,892,185,626,336/341,769,326.78 - Step 6: Final answer
x = 286,780,832.87
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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.