Finding the Fourth Proportional to 298,980,245.70, 448,470,368.55 and 298,980,245.70
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Solution
The fourth proportional to 298,980,245.70, 448,470,368.55 and 298,980,245.70 is: 448,470,368.55
Step by Step Solution
- Step 1: Write the proportion equation
298,980,245.70 : 448,470,368.55 = 298,980,245.70 : x - Step 2: Convert to fraction form
298,980,245.70/448,470,368.55 = 298,980,245.70/x - Step 3: Cross multiply
298,980,245.70x = 448,470,368.55 × 298,980,245.70 - Step 4: Simplify right side
298,980,245.70x = 134,083,780,978,248,544 - Step 5: Solve for x
x = 134,083,780,978,248,544/298,980,245.70 - Step 6: Final answer
x = 448,470,368.55
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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.