Finding the Fourth Proportional to 7,631,820,217.18, 10,524,806,320.14 and 4,952,735,791.18
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Solution
The fourth proportional to 7,631,820,217.18, 10,524,806,320.14 and 4,952,735,791.18 is: 6,830,164,164.46
Step by Step Solution
- Step 1: Write the proportion equation
7,631,820,217.18 : 10,524,806,320.14 = 4,952,735,791.18 : x - Step 2: Convert to fraction form
7,631,820,217.18/10,524,806,320.14 = 4,952,735,791.18/x - Step 3: Cross multiply
7,631,820,217.18x = 10,524,806,320.14 × 4,952,735,791.18 - Step 4: Simplify right side
7,631,820,217.18x = 52,126,584,956,994,846,720 - Step 5: Solve for x
x = 52,126,584,956,994,846,720/7,631,820,217.18 - Step 6: Final answer
x = 6,830,164,164.46
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.