Finding the Fourth Proportional to 4,799,989,811.96, 7,185,639,672.15 and 2,903,446,455.09
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Solution
The fourth proportional to 4,799,989,811.96, 7,185,639,672.15 and 2,903,446,455.09 is: 4,346,492,565.80
Step by Step Solution
- Step 1: Write the proportion equation
4,799,989,811.96 : 7,185,639,672.15 = 2,903,446,455.09 : x - Step 2: Convert to fraction form
4,799,989,811.96/7,185,639,672.15 = 2,903,446,455.09/x - Step 3: Cross multiply
4,799,989,811.96x = 7,185,639,672.15 × 2,903,446,455.09 - Step 4: Simplify right side
4,799,989,811.96x = 20,863,120,033,635,037,184 - Step 5: Solve for x
x = 20,863,120,033,635,037,184/4,799,989,811.96 - Step 6: Final answer
x = 4,346,492,565.80
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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.