Finding the Fourth Proportional to 996,458,800.80, 1,494,688,201.20 and 738,178,474.80
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Solution
The fourth proportional to 996,458,800.80, 1,494,688,201.20 and 738,178,474.80 is: 1,107,267,712.20
Step by Step Solution
- Step 1: Write the proportion equation
996,458,800.80 : 1,494,688,201.20 = 738,178,474.80 : x - Step 2: Convert to fraction form
996,458,800.80/1,494,688,201.20 = 738,178,474.80/x - Step 3: Cross multiply
996,458,800.80x = 1,494,688,201.20 × 738,178,474.80 - Step 4: Simplify right side
996,458,800.80x = 1,103,346,656,663,371,520 - Step 5: Solve for x
x = 1,103,346,656,663,371,520/996,458,800.80 - Step 6: Final answer
x = 1,107,267,712.20
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Double scale
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Similar ratio
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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.