Finding the Fourth Proportional to 9,122,808,559.68, 12,589,475,919.84 and 4,950,642,415.68
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Solution
The fourth proportional to 9,122,808,559.68, 12,589,475,919.84 and 4,950,642,415.68 is: 6,831,886,591.97
Step by Step Solution
- Step 1: Write the proportion equation
9,122,808,559.68 : 12,589,475,919.84 = 4,950,642,415.68 : x - Step 2: Convert to fraction form
9,122,808,559.68/12,589,475,919.84 = 4,950,642,415.68/x - Step 3: Cross multiply
9,122,808,559.68x = 12,589,475,919.84 × 4,950,642,415.68 - Step 4: Simplify right side
9,122,808,559.68x = 62,325,993,479,941,890,048 - Step 5: Solve for x
x = 62,325,993,479,941,890,048/9,122,808,559.68 - Step 6: Final answer
x = 6,831,886,591.97
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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.