Finding the Fourth Proportional to 406,846,102.68, 561,441,007.26 and 221,211,793.08
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Solution
The fourth proportional to 406,846,102.68, 561,441,007.26 and 221,211,793.08 is: 305,268,678.02
Step by Step Solution
- Step 1: Write the proportion equation
406,846,102.68 : 561,441,007.26 = 221,211,793.08 : x - Step 2: Convert to fraction form
406,846,102.68/561,441,007.26 = 221,211,793.08/x - Step 3: Cross multiply
406,846,102.68x = 561,441,007.26 × 221,211,793.08 - Step 4: Simplify right side
406,846,102.68x = 124,197,371,924,625,904 - Step 5: Solve for x
x = 124,197,371,924,625,904/406,846,102.68 - Step 6: Final answer
x = 305,268,678.02
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.