Finding the Fourth Proportional to 290,331,829.80, 435,497,744.70 and 268,160,898.60
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Solution
The fourth proportional to 290,331,829.80, 435,497,744.70 and 268,160,898.60 is: 402,241,347.90
Step by Step Solution
- Step 1: Write the proportion equation
290,331,829.80 : 435,497,744.70 = 268,160,898.60 : x - Step 2: Convert to fraction form
290,331,829.80/435,497,744.70 = 268,160,898.60/x - Step 3: Cross multiply
290,331,829.80x = 435,497,744.70 × 268,160,898.60 - Step 4: Simplify right side
290,331,829.80x = 116,783,466,557,025,376 - Step 5: Solve for x
x = 116,783,466,557,025,376/290,331,829.80 - Step 6: Final answer
x = 402,241,347.90
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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.