Finding the Fourth Proportional to 724,268,000.20, 1,086,402,000.30 and 264,221,177.80
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Solution
The fourth proportional to 724,268,000.20, 1,086,402,000.30 and 264,221,177.80 is: 396,331,766.70
Step by Step Solution
- Step 1: Write the proportion equation
724,268,000.20 : 1,086,402,000.30 = 264,221,177.80 : x - Step 2: Convert to fraction form
724,268,000.20/1,086,402,000.30 = 264,221,177.80/x - Step 3: Cross multiply
724,268,000.20x = 1,086,402,000.30 × 264,221,177.80 - Step 4: Simplify right side
724,268,000.20x = 287,050,416,083,541,952 - Step 5: Solve for x
x = 287,050,416,083,541,952/724,268,000.20 - Step 6: Final answer
x = 396,331,766.70
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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.