Finding the Fourth Proportional to 1,117,182,491.24, 1,675,820,902.14 and 330,237,944.46
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Solution
The fourth proportional to 1,117,182,491.24, 1,675,820,902.14 and 330,237,944.46 is: 495,370,858.70
Step by Step Solution
- Step 1: Write the proportion equation
1,117,182,491.24 : 1,675,820,902.14 = 330,237,944.46 : x - Step 2: Convert to fraction form
1,117,182,491.24/1,675,820,902.14 = 330,237,944.46/x - Step 3: Cross multiply
1,117,182,491.24x = 1,675,820,902.14 × 330,237,944.46 - Step 4: Simplify right side
1,117,182,491.24x = 553,419,650,005,816,384 - Step 5: Solve for x
x = 553,419,650,005,816,384/1,117,182,491.24 - Step 6: Final answer
x = 495,370,858.70
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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.