Finding the Fourth Proportional to 4,043,839,207.80, 6,065,758,811.70 and 980,219,623.80
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Solution
The fourth proportional to 4,043,839,207.80, 6,065,758,811.70 and 980,219,623.80 is: 1,470,329,435.70
Step by Step Solution
- Step 1: Write the proportion equation
4,043,839,207.80 : 6,065,758,811.70 = 980,219,623.80 : x - Step 2: Convert to fraction form
4,043,839,207.80/6,065,758,811.70 = 980,219,623.80/x - Step 3: Cross multiply
4,043,839,207.80x = 6,065,758,811.70 × 980,219,623.80 - Step 4: Simplify right side
4,043,839,207.80x = 5,945,775,820,466,108,416 - Step 5: Solve for x
x = 5,945,775,820,466,108,416/4,043,839,207.80 - Step 6: Final answer
x = 1,470,329,435.70
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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.