Finding the Fourth Proportional to 2,355,515,235.60, 3,533,272,853.40 and 804,557,821.20
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Solution
The fourth proportional to 2,355,515,235.60, 3,533,272,853.40 and 804,557,821.20 is: 1,206,836,731.80
Step by Step Solution
- Step 1: Write the proportion equation
2,355,515,235.60 : 3,533,272,853.40 = 804,557,821.20 : x - Step 2: Convert to fraction form
2,355,515,235.60/3,533,272,853.40 = 804,557,821.20/x - Step 3: Cross multiply
2,355,515,235.60x = 3,533,272,853.40 × 804,557,821.20 - Step 4: Simplify right side
2,355,515,235.60x = 2,842,722,308,636,611,072 - Step 5: Solve for x
x = 2,842,722,308,636,611,072/2,355,515,235.60 - Step 6: Final answer
x = 1,206,836,731.80
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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.