Finding the Fourth Proportional to 1,321,739,874.15, 1,824,134,812.39 and 757,299,625.49
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Solution
The fourth proportional to 1,321,739,874.15, 1,824,134,812.39 and 757,299,625.49 is: 1,045,150,136.79
Step by Step Solution
- Step 1: Write the proportion equation
1,321,739,874.15 : 1,824,134,812.39 = 757,299,625.49 : x - Step 2: Convert to fraction form
1,321,739,874.15/1,824,134,812.39 = 757,299,625.49/x - Step 3: Cross multiply
1,321,739,874.15x = 1,824,134,812.39 × 757,299,625.49 - Step 4: Simplify right side
1,321,739,874.15x = 1,381,416,610,266,218,496 - Step 5: Solve for x
x = 1,381,416,610,266,218,496/1,321,739,874.15 - Step 6: Final answer
x = 1,045,150,136.79
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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.