Finding the Fourth Proportional to 5,107,841,774.19, 7,048,818,530.60 and 2,760,998,318.19
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Solution
The fourth proportional to 5,107,841,774.19, 7,048,818,530.60 and 2,760,998,318.19 is: 3,810,175,993.81
Step by Step Solution
- Step 1: Write the proportion equation
5,107,841,774.19 : 7,048,818,530.60 = 2,760,998,318.19 : x - Step 2: Convert to fraction form
5,107,841,774.19/7,048,818,530.60 = 2,760,998,318.19/x - Step 3: Cross multiply
5,107,841,774.19x = 7,048,818,530.60 × 2,760,998,318.19 - Step 4: Simplify right side
5,107,841,774.19x = 19,461,776,108,199,305,216 - Step 5: Solve for x
x = 19,461,776,108,199,305,216/5,107,841,774.19 - Step 6: Final answer
x = 3,810,175,993.81
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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.