Finding the Fourth Proportional to 10,823,621,390, 14,936,343,476.24 and 6,368,574,319.28
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Solution
The fourth proportional to 10,823,621,390, 14,936,343,476.24 and 6,368,574,319.28 is: 8,788,483,083.36
Step by Step Solution
- Step 1: Write the proportion equation
10,823,621,390 : 14,936,343,476.24 = 6,368,574,319.28 : x - Step 2: Convert to fraction form
10,823,621,390/14,936,343,476.24 = 6,368,574,319.28/x - Step 3: Cross multiply
10,823,621,390x = 14,936,343,476.24 × 6,368,574,319.28 - Step 4: Simplify right side
10,823,621,390x = 95,123,213,486,727,413,760 - Step 5: Solve for x
x = 95,123,213,486,727,413,760/10,823,621,390 - Step 6: Final answer
x = 8,788,483,083.36
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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.