Finding the Fourth Proportional to 4,871,995,995.92, 6,723,359,450.22 and 2,644,328,643.44
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Solution
The fourth proportional to 4,871,995,995.92, 6,723,359,450.22 and 2,644,328,643.44 is: 3,649,176,228.64
Step by Step Solution
- Step 1: Write the proportion equation
4,871,995,995.92 : 6,723,359,450.22 = 2,644,328,643.44 : x - Step 2: Convert to fraction form
4,871,995,995.92/6,723,359,450.22 = 2,644,328,643.44/x - Step 3: Cross multiply
4,871,995,995.92x = 6,723,359,450.22 × 2,644,328,643.44 - Step 4: Simplify right side
4,871,995,995.92x = 17,778,771,974,326,140,928 - Step 5: Solve for x
x = 17,778,771,974,326,140,928/4,871,995,995.92 - Step 6: Final answer
x = 3,649,176,228.64
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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.