Finding the Fourth Proportional to 4,884,101,320.40, 7,315,402,438.20 and 2,942,017,326.80
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Solution
The fourth proportional to 4,884,101,320.40, 7,315,402,438.20 and 2,942,017,326.80 is: 4,406,550,829.69
Step by Step Solution
- Step 1: Write the proportion equation
4,884,101,320.40 : 7,315,402,438.20 = 2,942,017,326.80 : x - Step 2: Convert to fraction form
4,884,101,320.40/7,315,402,438.20 = 2,942,017,326.80/x - Step 3: Cross multiply
4,884,101,320.40x = 7,315,402,438.20 × 2,942,017,326.80 - Step 4: Simplify right side
4,884,101,320.40x = 21,522,040,725,699,366,912 - Step 5: Solve for x
x = 21,522,040,725,699,366,912/4,884,101,320.40 - Step 6: Final answer
x = 4,406,550,829.69
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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.