Finding the Fourth Proportional to 972,086,444.97, 1,457,539,193.82 and 381,168,756.75
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Solution
The fourth proportional to 972,086,444.97, 1,457,539,193.82 and 381,168,756.75 is: 571,521,602.11
Step by Step Solution
- Step 1: Write the proportion equation
972,086,444.97 : 1,457,539,193.82 = 381,168,756.75 : x - Step 2: Convert to fraction form
972,086,444.97/1,457,539,193.82 = 381,168,756.75/x - Step 3: Cross multiply
972,086,444.97x = 1,457,539,193.82 × 381,168,756.75 - Step 4: Simplify right side
972,086,444.97x = 555,568,402,419,726,080 - Step 5: Solve for x
x = 555,568,402,419,726,080/972,086,444.97 - Step 6: Final answer
x = 571,521,602.11
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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.