Finding the Fourth Proportional to 541,728,610.70, 812,592,916.05 and 403,776,149.90
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Solution
The fourth proportional to 541,728,610.70, 812,592,916.05 and 403,776,149.90 is: 605,664,224.85
Step by Step Solution
- Step 1: Write the proportion equation
541,728,610.70 : 812,592,916.05 = 403,776,149.90 : x - Step 2: Convert to fraction form
541,728,610.70/812,592,916.05 = 403,776,149.90/x - Step 3: Cross multiply
541,728,610.70x = 812,592,916.05 × 403,776,149.90 - Step 4: Simplify right side
541,728,610.70x = 328,105,639,078,682,880 - Step 5: Solve for x
x = 328,105,639,078,682,880/541,728,610.70 - Step 6: Final answer
x = 605,664,224.85
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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.