Finding the Fourth Proportional to 416,019,624.40, 624,029,436.60 and 295,087,272.40
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Solution
The fourth proportional to 416,019,624.40, 624,029,436.60 and 295,087,272.40 is: 442,630,908.60
Step by Step Solution
- Step 1: Write the proportion equation
416,019,624.40 : 624,029,436.60 = 295,087,272.40 : x - Step 2: Convert to fraction form
416,019,624.40/624,029,436.60 = 295,087,272.40/x - Step 3: Cross multiply
416,019,624.40x = 624,029,436.60 × 295,087,272.40 - Step 4: Simplify right side
416,019,624.40x = 184,143,144,343,602,720 - Step 5: Solve for x
x = 184,143,144,343,602,720/416,019,624.40 - Step 6: Final answer
x = 442,630,908.60
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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.