Finding the Fourth Proportional to 519,159,324.18, 716,439,902.31 and 284,209,984.65
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Solution
The fourth proportional to 519,159,324.18, 716,439,902.31 and 284,209,984.65 is: 392,209,797.95
Step by Step Solution
- Step 1: Write the proportion equation
519,159,324.18 : 716,439,902.31 = 284,209,984.65 : x - Step 2: Convert to fraction form
519,159,324.18/716,439,902.31 = 284,209,984.65/x - Step 3: Cross multiply
519,159,324.18x = 716,439,902.31 × 284,209,984.65 - Step 4: Simplify right side
519,159,324.18x = 203,619,373,638,172,576 - Step 5: Solve for x
x = 203,619,373,638,172,576/519,159,324.18 - Step 6: Final answer
x = 392,209,797.95
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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.