Finding the Fourth Proportional to 262,242,303.80, 393,363,455.70 and 248,805,375.80
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Solution
The fourth proportional to 262,242,303.80, 393,363,455.70 and 248,805,375.80 is: 373,208,063.70
Step by Step Solution
- Step 1: Write the proportion equation
262,242,303.80 : 393,363,455.70 = 248,805,375.80 : x - Step 2: Convert to fraction form
262,242,303.80/393,363,455.70 = 248,805,375.80/x - Step 3: Cross multiply
262,242,303.80x = 393,363,455.70 × 248,805,375.80 - Step 4: Simplify right side
262,242,303.80x = 97,870,942,421,425,152 - Step 5: Solve for x
x = 97,870,942,421,425,152/262,242,303.80 - Step 6: Final answer
x = 373,208,063.70
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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.