Finding the Fourth Proportional to 343,872,029.70, 515,808,044.55 and 235,032,912.90
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Solution
The fourth proportional to 343,872,029.70, 515,808,044.55 and 235,032,912.90 is: 352,549,369.35
Step by Step Solution
- Step 1: Write the proportion equation
343,872,029.70 : 515,808,044.55 = 235,032,912.90 : x - Step 2: Convert to fraction form
343,872,029.70/515,808,044.55 = 235,032,912.90/x - Step 3: Cross multiply
343,872,029.70x = 515,808,044.55 × 235,032,912.90 - Step 4: Simplify right side
343,872,029.70x = 121,231,867,207,839,472 - Step 5: Solve for x
x = 121,231,867,207,839,472/343,872,029.70 - Step 6: Final answer
x = 352,549,369.35
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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.