Finding the Fourth Proportional to 267,993,643.80, 401,990,465.70 and 106,435,579.80
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Solution
The fourth proportional to 267,993,643.80, 401,990,465.70 and 106,435,579.80 is: 159,653,369.70
Step by Step Solution
- Step 1: Write the proportion equation
267,993,643.80 : 401,990,465.70 = 106,435,579.80 : x - Step 2: Convert to fraction form
267,993,643.80/401,990,465.70 = 106,435,579.80/x - Step 3: Cross multiply
267,993,643.80x = 401,990,465.70 × 106,435,579.80 - Step 4: Simplify right side
267,993,643.80x = 42,786,088,290,851,512 - Step 5: Solve for x
x = 42,786,088,290,851,512/267,993,643.80 - Step 6: Final answer
x = 159,653,369.70
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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.