Finding the Fourth Proportional to 2,930,690,824.80, 4,396,036,237.20 and 2,910,283,490.40
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Solution
The fourth proportional to 2,930,690,824.80, 4,396,036,237.20 and 2,910,283,490.40 is: 4,365,425,235.60
Step by Step Solution
- Step 1: Write the proportion equation
2,930,690,824.80 : 4,396,036,237.20 = 2,910,283,490.40 : x - Step 2: Convert to fraction form
2,930,690,824.80/4,396,036,237.20 = 2,910,283,490.40/x - Step 3: Cross multiply
2,930,690,824.80x = 4,396,036,237.20 × 2,910,283,490.40 - Step 4: Simplify right side
2,930,690,824.80x = 12,793,711,684,323,297,280 - Step 5: Solve for x
x = 12,793,711,684,323,297,280/2,930,690,824.80 - Step 6: Final answer
x = 4,365,425,235.60
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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.