Finding the Fourth Proportional to 612,266,311.68, 918,399,536.64 and 248,760,913.92
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Solution
The fourth proportional to 612,266,311.68, 918,399,536.64 and 248,760,913.92 is: 373,141,398.96
Step by Step Solution
- Step 1: Write the proportion equation
612,266,311.68 : 918,399,536.64 = 248,760,913.92 : x - Step 2: Convert to fraction form
612,266,311.68/918,399,536.64 = 248,760,913.92/x - Step 3: Cross multiply
612,266,311.68x = 918,399,536.64 × 248,760,913.92 - Step 4: Simplify right side
612,266,311.68x = 228,461,908,078,270,912 - Step 5: Solve for x
x = 228,461,908,078,270,912/612,266,311.68 - Step 6: Final answer
x = 373,141,398.96
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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.