Finding the Fourth Proportional to 7,508,428,137.81, 10,361,641,090.94 and 4,075,126,504.97
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Solution
The fourth proportional to 7,508,428,137.81, 10,361,641,090.94 and 4,075,126,504.97 is: 5,623,680,145.79
Step by Step Solution
- Step 1: Write the proportion equation
7,508,428,137.81 : 10,361,641,090.94 = 4,075,126,504.97 : x - Step 2: Convert to fraction form
7,508,428,137.81/10,361,641,090.94 = 4,075,126,504.97/x - Step 3: Cross multiply
7,508,428,137.81x = 10,361,641,090.94 × 4,075,126,504.97 - Step 4: Simplify right side
7,508,428,137.81x = 42,224,998,244,675,862,528 - Step 5: Solve for x
x = 42,224,998,244,675,862,528/7,508,428,137.81 - Step 6: Final answer
x = 5,623,680,145.79
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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.