Finding the Fourth Proportional to 42,327,335,284.02, 63,492,378,047.97 and 12,479,163,431.07
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Solution
The fourth proportional to 42,327,335,284.02, 63,492,378,047.97 and 12,479,163,431.07 is: 18,719,150,567.15
Step by Step Solution
- Step 1: Write the proportion equation
42,327,335,284.02 : 63,492,378,047.97 = 12,479,163,431.07 : x - Step 2: Convert to fraction form
42,327,335,284.02/63,492,378,047.97 = 12,479,163,431.07/x - Step 3: Cross multiply
42,327,335,284.02x = 63,492,378,047.97 × 12,479,163,431.07 - Step 4: Simplify right side
42,327,335,284.02x = 792,331,762,287,898,787,840 - Step 5: Solve for x
x = 792,331,762,287,898,787,840/42,327,335,284.02 - Step 6: Final answer
x = 18,719,150,567.15
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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.