Finding the Fourth Proportional to 343,872,147.20, 515,808,220.80 and 275,847,699.20
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Solution
The fourth proportional to 343,872,147.20, 515,808,220.80 and 275,847,699.20 is: 413,771,548.80
Step by Step Solution
- Step 1: Write the proportion equation
343,872,147.20 : 515,808,220.80 = 275,847,699.20 : x - Step 2: Convert to fraction form
343,872,147.20/515,808,220.80 = 275,847,699.20/x - Step 3: Cross multiply
343,872,147.20x = 515,808,220.80 × 275,847,699.20 - Step 4: Simplify right side
343,872,147.20x = 142,284,510,936,125,584 - Step 5: Solve for x
x = 142,284,510,936,125,584/343,872,147.20 - Step 6: Final answer
x = 413,771,548.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.