Finding the Fourth Proportional to 1,674,481,060.24, 2,511,529,939.20 and 447,745,171.12
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Solution
The fourth proportional to 1,674,481,060.24, 2,511,529,939.20 and 447,745,171.12 is: 671,566,510.43
Step by Step Solution
- Step 1: Write the proportion equation
1,674,481,060.24 : 2,511,529,939.20 = 447,745,171.12 : x - Step 2: Convert to fraction form
1,674,481,060.24/2,511,529,939.20 = 447,745,171.12/x - Step 3: Cross multiply
1,674,481,060.24x = 2,511,529,939.20 × 447,745,171.12 - Step 4: Simplify right side
1,674,481,060.24x = 1,124,525,402,400,107,136 - Step 5: Solve for x
x = 1,124,525,402,400,107,136/1,674,481,060.24 - Step 6: Final answer
x = 671,566,510.43
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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.