Finding the Fourth Proportional to 1,043,107,220.40, 1,564,660,830.60 and 629,858,698.80
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Solution
The fourth proportional to 1,043,107,220.40, 1,564,660,830.60 and 629,858,698.80 is: 944,788,048.20
Step by Step Solution
- Step 1: Write the proportion equation
1,043,107,220.40 : 1,564,660,830.60 = 629,858,698.80 : x - Step 2: Convert to fraction form
1,043,107,220.40/1,564,660,830.60 = 629,858,698.80/x - Step 3: Cross multiply
1,043,107,220.40x = 1,564,660,830.60 × 629,858,698.80 - Step 4: Simplify right side
1,043,107,220.40x = 985,515,234,825,043,072 - Step 5: Solve for x
x = 985,515,234,825,043,072/1,043,107,220.40 - Step 6: Final answer
x = 944,788,048.20
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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.