Finding the Fourth Proportional to 991,304,906.74, 1,368,101,110.85 and 567,974,720.24
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Solution
The fourth proportional to 991,304,906.74, 1,368,101,110.85 and 567,974,720.24 is: 783,862,604.14
Step by Step Solution
- Step 1: Write the proportion equation
991,304,906.74 : 1,368,101,110.85 = 567,974,720.24 : x - Step 2: Convert to fraction form
991,304,906.74/1,368,101,110.85 = 567,974,720.24/x - Step 3: Cross multiply
991,304,906.74x = 1,368,101,110.85 × 567,974,720.24 - Step 4: Simplify right side
991,304,906.74x = 777,046,845,695,642,240 - Step 5: Solve for x
x = 777,046,845,695,642,240/991,304,906.74 - Step 6: Final answer
x = 783,862,604.14
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1.5x scale
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.