Finding the Fourth Proportional to 5,679,214,075.44, 7,833,250,806.75 and 3,986,046,534.06
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Solution
The fourth proportional to 5,679,214,075.44, 7,833,250,806.75 and 3,986,046,534.06 is: 5,497,891,400.80
Step by Step Solution
- Step 1: Write the proportion equation
5,679,214,075.44 : 7,833,250,806.75 = 3,986,046,534.06 : x - Step 2: Convert to fraction form
5,679,214,075.44/7,833,250,806.75 = 3,986,046,534.06/x - Step 3: Cross multiply
5,679,214,075.44x = 7,833,250,806.75 × 3,986,046,534.06 - Step 4: Simplify right side
5,679,214,075.44x = 31,223,702,228,668,534,784 - Step 5: Solve for x
x = 31,223,702,228,668,534,784/5,679,214,075.44 - Step 6: Final answer
x = 5,497,891,400.80
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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.