Finding the Fourth Proportional to 378,212,774.23, 566,155,584.28 and 246,772,026.05
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Solution
The fourth proportional to 378,212,774.23, 566,155,584.28 and 246,772,026.05 is: 369,398,841.36
Step by Step Solution
- Step 1: Write the proportion equation
378,212,774.23 : 566,155,584.28 = 246,772,026.05 : x - Step 2: Convert to fraction form
378,212,774.23/566,155,584.28 = 246,772,026.05/x - Step 3: Cross multiply
378,212,774.23x = 566,155,584.28 × 246,772,026.05 - Step 4: Simplify right side
378,212,774.23x = 139,711,360,589,774,816 - Step 5: Solve for x
x = 139,711,360,589,774,816/378,212,774.23 - Step 6: Final answer
x = 369,398,841.36
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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.