Finding the Fourth Proportional to 746,766,234.40, 1,120,149,351.60 and 201,506,893.60
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Solution
The fourth proportional to 746,766,234.40, 1,120,149,351.60 and 201,506,893.60 is: 302,260,340.40
Step by Step Solution
- Step 1: Write the proportion equation
746,766,234.40 : 1,120,149,351.60 = 201,506,893.60 : x - Step 2: Convert to fraction form
746,766,234.40/1,120,149,351.60 = 201,506,893.60/x - Step 3: Cross multiply
746,766,234.40x = 1,120,149,351.60 × 201,506,893.60 - Step 4: Simplify right side
746,766,234.40x = 225,717,816,208,970,176 - Step 5: Solve for x
x = 225,717,816,208,970,176/746,766,234.40 - Step 6: Final answer
x = 302,260,340.40
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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.