Finding the Fourth Proportional to 1,020,307,537.01, 1,530,704,181.67 and 330,214,790.99
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Solution
The fourth proportional to 1,020,307,537.01, 1,530,704,181.67 and 330,214,790.99 is: 495,400,791.51
Step by Step Solution
- Step 1: Write the proportion equation
1,020,307,537.01 : 1,530,704,181.67 = 330,214,790.99 : x - Step 2: Convert to fraction form
1,020,307,537.01/1,530,704,181.67 = 330,214,790.99/x - Step 3: Cross multiply
1,020,307,537.01x = 1,530,704,181.67 × 330,214,790.99 - Step 4: Simplify right side
1,020,307,537.01x = 505,461,161,420,679,296 - Step 5: Solve for x
x = 505,461,161,420,679,296/1,020,307,537.01 - Step 6: Final answer
x = 495,400,791.51
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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.