Finding the Fourth Proportional to 1,032,296,974.20, 1,548,445,461.30 and 928,984,843.80
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Solution
The fourth proportional to 1,032,296,974.20, 1,548,445,461.30 and 928,984,843.80 is: 1,393,477,265.70
Step by Step Solution
- Step 1: Write the proportion equation
1,032,296,974.20 : 1,548,445,461.30 = 928,984,843.80 : x - Step 2: Convert to fraction form
1,032,296,974.20/1,548,445,461.30 = 928,984,843.80/x - Step 3: Cross multiply
1,032,296,974.20x = 1,548,445,461.30 × 928,984,843.80 - Step 4: Simplify right side
1,032,296,974.20x = 1,438,482,364,998,599,424 - Step 5: Solve for x
x = 1,438,482,364,998,599,424/1,032,296,974.20 - Step 6: Final answer
x = 1,393,477,265.70
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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.