Finding the Fourth Proportional to 2,642,670,482.42, 3,646,954,383.44 and 1,437,082,238.84
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Solution
The fourth proportional to 2,642,670,482.42, 3,646,954,383.44 and 1,437,082,238.84 is: 1,983,211,075.75
Step by Step Solution
- Step 1: Write the proportion equation
2,642,670,482.42 : 3,646,954,383.44 = 1,437,082,238.84 : x - Step 2: Convert to fraction form
2,642,670,482.42/3,646,954,383.44 = 1,437,082,238.84/x - Step 3: Cross multiply
2,642,670,482.42x = 3,646,954,383.44 × 1,437,082,238.84 - Step 4: Simplify right side
2,642,670,482.42x = 5,240,973,370,301,306,880 - Step 5: Solve for x
x = 5,240,973,370,301,306,880/2,642,670,482.42 - Step 6: Final answer
x = 1,983,211,075.75
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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.