Finding the Fourth Proportional to 864,317,448.62, 1,296,682,426.12 and 282,052,777.48
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Solution
The fourth proportional to 864,317,448.62, 1,296,682,426.12 and 282,052,777.48 is: 423,146,472.84
Step by Step Solution
- Step 1: Write the proportion equation
864,317,448.62 : 1,296,682,426.12 = 282,052,777.48 : x - Step 2: Convert to fraction form
864,317,448.62/1,296,682,426.12 = 282,052,777.48/x - Step 3: Cross multiply
864,317,448.62x = 1,296,682,426.12 × 282,052,777.48 - Step 4: Simplify right side
864,317,448.62x = 365,732,879,796,650,880 - Step 5: Solve for x
x = 365,732,879,796,650,880/864,317,448.62 - Step 6: Final answer
x = 423,146,472.84
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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.