Finding the Fourth Proportional to 303,281,988,029.88, 418,542,299,635.27 and 167,951,168,465.99
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Solution
The fourth proportional to 303,281,988,029.88, 418,542,299,635.27 and 167,951,168,465.99 is: 231,779,898,083.70
Step by Step Solution
- Step 1: Write the proportion equation
303,281,988,029.88 : 418,542,299,635.27 = 167,951,168,465.99 : x - Step 2: Convert to fraction form
303,281,988,029.88/418,542,299,635.27 = 167,951,168,465.99/x - Step 3: Cross multiply
303,281,988,029.88x = 418,542,299,635.27 × 167,951,168,465.99 - Step 4: Simplify right side
303,281,988,029.88x = 70,294,668,276,186,092,666,880 - Step 5: Solve for x
x = 70,294,668,276,186,092,666,880/303,281,988,029.88 - Step 6: Final answer
x = 231,779,898,083.70
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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.