Finding the Fourth Proportional to 234,862,235.40, 352,293,353.10 and 147,564,193.80
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Solution
The fourth proportional to 234,862,235.40, 352,293,353.10 and 147,564,193.80 is: 221,346,290.70
Step by Step Solution
- Step 1: Write the proportion equation
234,862,235.40 : 352,293,353.10 = 147,564,193.80 : x - Step 2: Convert to fraction form
234,862,235.40/352,293,353.10 = 147,564,193.80/x - Step 3: Cross multiply
234,862,235.40x = 352,293,353.10 × 147,564,193.80 - Step 4: Simplify right side
234,862,235.40x = 51,985,884,631,300,240 - Step 5: Solve for x
x = 51,985,884,631,300,240/234,862,235.40 - Step 6: Final answer
x = 221,346,290.70
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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.