Finding the Fourth Proportional to 1,101,320,153.98, 1,652,025,818.67 and 324,965,815.18
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Solution
The fourth proportional to 1,101,320,153.98, 1,652,025,818.67 and 324,965,815.18 is: 487,462,174.30
Step by Step Solution
- Step 1: Write the proportion equation
1,101,320,153.98 : 1,652,025,818.67 = 324,965,815.18 : x - Step 2: Convert to fraction form
1,101,320,153.98/1,652,025,818.67 = 324,965,815.18/x - Step 3: Cross multiply
1,101,320,153.98x = 1,652,025,818.67 × 324,965,815.18 - Step 4: Simplify right side
1,101,320,153.98x = 536,851,916,862,503,424 - Step 5: Solve for x
x = 536,851,916,862,503,424/1,101,320,153.98 - Step 6: Final answer
x = 487,462,174.30
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1.5x scale
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.