Finding the Fourth Proportional to 331,750,821.60, 496,991,710.80 and 178,345,893.60
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Solution
The fourth proportional to 331,750,821.60, 496,991,710.80 and 178,345,893.60 is: 267,177,727.99
Step by Step Solution
- Step 1: Write the proportion equation
331,750,821.60 : 496,991,710.80 = 178,345,893.60 : x - Step 2: Convert to fraction form
331,750,821.60/496,991,710.80 = 178,345,893.60/x - Step 3: Cross multiply
331,750,821.60x = 496,991,710.80 × 178,345,893.60 - Step 4: Simplify right side
331,750,821.60x = 88,636,430,774,418,768 - Step 5: Solve for x
x = 88,636,430,774,418,768/331,750,821.60 - Step 6: Final answer
x = 267,177,727.99
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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.