Finding the Fourth Proportional to 1,520,963,245.81, 2,277,515,699.43 and 1,049,716,408.78
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Solution
The fourth proportional to 1,520,963,245.81, 2,277,515,699.43 and 1,049,716,408.78 is: 1,571,862,835.96
Step by Step Solution
- Step 1: Write the proportion equation
1,520,963,245.81 : 2,277,515,699.43 = 1,049,716,408.78 : x - Step 2: Convert to fraction form
1,520,963,245.81/2,277,515,699.43 = 1,049,716,408.78/x - Step 3: Cross multiply
1,520,963,245.81x = 2,277,515,699.43 × 1,049,716,408.78 - Step 4: Simplify right side
1,520,963,245.81x = 2,390,745,600,945,729,024 - Step 5: Solve for x
x = 2,390,745,600,945,729,024/1,520,963,245.81 - Step 6: Final answer
x = 1,571,862,835.96
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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.