Finding the Fourth Proportional to 902,016,043.20, 1,353,024,064.80 and 629,918,251.20
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Solution
The fourth proportional to 902,016,043.20, 1,353,024,064.80 and 629,918,251.20 is: 944,877,376.80
Step by Step Solution
- Step 1: Write the proportion equation
902,016,043.20 : 1,353,024,064.80 = 629,918,251.20 : x - Step 2: Convert to fraction form
902,016,043.20/1,353,024,064.80 = 629,918,251.20/x - Step 3: Cross multiply
902,016,043.20x = 1,353,024,064.80 × 629,918,251.20 - Step 4: Simplify right side
902,016,043.20x = 852,294,552,730,331,520 - Step 5: Solve for x
x = 852,294,552,730,331,520/902,016,043.20 - Step 6: Final answer
x = 944,877,376.80
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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.