Finding the Fourth Proportional to 412,468,184, 569,221,059.84 and 236,290,229.12
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Solution
The fourth proportional to 412,468,184, 569,221,059.84 and 236,290,229.12 is: 326,089,089.70
Step by Step Solution
- Step 1: Write the proportion equation
412,468,184 : 569,221,059.84 = 236,290,229.12 : x - Step 2: Convert to fraction form
412,468,184/569,221,059.84 = 236,290,229.12/x - Step 3: Cross multiply
412,468,184x = 569,221,059.84 × 236,290,229.12 - Step 4: Simplify right side
412,468,184x = 134,501,374,649,522,848 - Step 5: Solve for x
x = 134,501,374,649,522,848/412,468,184 - Step 6: Final answer
x = 326,089,089.70
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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.