Finding the Fourth Proportional to 1,451,674,124.37, 2,176,910,865.79 and 455,362,832.09
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Solution
The fourth proportional to 1,451,674,124.37, 2,176,910,865.79 and 455,362,832.09 is: 682,855,938.82
Step by Step Solution
- Step 1: Write the proportion equation
1,451,674,124.37 : 2,176,910,865.79 = 455,362,832.09 : x - Step 2: Convert to fraction form
1,451,674,124.37/2,176,910,865.79 = 455,362,832.09/x - Step 3: Cross multiply
1,451,674,124.37x = 2,176,910,865.79 × 455,362,832.09 - Step 4: Simplify right side
1,451,674,124.37x = 991,284,297,057,932,032 - Step 5: Solve for x
x = 991,284,297,057,932,032/1,451,674,124.37 - Step 6: Final answer
x = 682,855,938.82
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.