Finding the Fourth Proportional to 5,391,344,713.05, 8,087,886,062.45 and 1,660,634,371.49
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Solution
The fourth proportional to 5,391,344,713.05, 8,087,886,062.45 and 1,660,634,371.49 is: 2,491,219,223.18
Step by Step Solution
- Step 1: Write the proportion equation
5,391,344,713.05 : 8,087,886,062.45 = 1,660,634,371.49 : x - Step 2: Convert to fraction form
5,391,344,713.05/8,087,886,062.45 = 1,660,634,371.49/x - Step 3: Cross multiply
5,391,344,713.05x = 8,087,886,062.45 × 1,660,634,371.49 - Step 4: Simplify right side
5,391,344,713.05x = 13,431,021,587,963,099,136 - Step 5: Solve for x
x = 13,431,021,587,963,099,136/5,391,344,713.05 - Step 6: Final answer
x = 2,491,219,223.18
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.