Finding the Fourth Proportional to 324,185,211.20, 486,277,816.80 and 97,250,427.20
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Solution
The fourth proportional to 324,185,211.20, 486,277,816.80 and 97,250,427.20 is: 145,875,640.80
Step by Step Solution
- Step 1: Write the proportion equation
324,185,211.20 : 486,277,816.80 = 97,250,427.20 : x - Step 2: Convert to fraction form
324,185,211.20/486,277,816.80 = 97,250,427.20/x - Step 3: Cross multiply
324,185,211.20x = 486,277,816.80 × 97,250,427.20 - Step 4: Simplify right side
324,185,211.20x = 47,290,725,421,683,336 - Step 5: Solve for x
x = 47,290,725,421,683,336/324,185,211.20 - Step 6: Final answer
x = 145,875,640.80
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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.