Finding the Fourth Proportional to 7,019,472,257.30, 10,529,102,098.56 and 1,707,634,431.74
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Solution
The fourth proportional to 7,019,472,257.30, 10,529,102,098.56 and 1,707,634,431.74 is: 2,561,425,790.96
Step by Step Solution
- Step 1: Write the proportion equation
7,019,472,257.30 : 10,529,102,098.56 = 1,707,634,431.74 : x - Step 2: Convert to fraction form
7,019,472,257.30/10,529,102,098.56 = 1,707,634,431.74/x - Step 3: Cross multiply
7,019,472,257.30x = 10,529,102,098.56 × 1,707,634,431.74 - Step 4: Simplify right side
7,019,472,257.30x = 17,979,857,278,806,945,792 - Step 5: Solve for x
x = 17,979,857,278,806,945,792/7,019,472,257.30 - Step 6: Final answer
x = 2,561,425,790.96
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1.5x scale
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.