Finding the Fourth Proportional to 582,068,378.40, 873,102,567.60 and 503,840,263.20
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Solution
The fourth proportional to 582,068,378.40, 873,102,567.60 and 503,840,263.20 is: 755,760,394.80
Step by Step Solution
- Step 1: Write the proportion equation
582,068,378.40 : 873,102,567.60 = 503,840,263.20 : x - Step 2: Convert to fraction form
582,068,378.40/873,102,567.60 = 503,840,263.20/x - Step 3: Cross multiply
582,068,378.40x = 873,102,567.60 × 503,840,263.20 - Step 4: Simplify right side
582,068,378.40x = 439,904,227,460,179,776 - Step 5: Solve for x
x = 439,904,227,460,179,776/582,068,378.40 - Step 6: Final answer
x = 755,760,394.80
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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.