Finding the Fourth Proportional to 418,118,415.48, 627,261,341.58 and 234,147,516.12
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Solution
The fourth proportional to 418,118,415.48, 627,261,341.58 and 234,147,516.12 is: 351,268,156.70
Step by Step Solution
- Step 1: Write the proportion equation
418,118,415.48 : 627,261,341.58 = 234,147,516.12 : x - Step 2: Convert to fraction form
418,118,415.48/627,261,341.58 = 234,147,516.12/x - Step 3: Cross multiply
418,118,415.48x = 627,261,341.58 × 234,147,516.12 - Step 4: Simplify right side
418,118,415.48x = 146,871,685,089,055,904 - Step 5: Solve for x
x = 146,871,685,089,055,904/418,118,415.48 - Step 6: Final answer
x = 351,268,156.70
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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.