Finding the Fourth Proportional to 493,325,798.66, 740,082,027.12 and 198,243,889.26
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Solution
The fourth proportional to 493,325,798.66, 740,082,027.12 and 198,243,889.26 is: 297,403,338.37
Step by Step Solution
- Step 1: Write the proportion equation
493,325,798.66 : 740,082,027.12 = 198,243,889.26 : x - Step 2: Convert to fraction form
493,325,798.66/740,082,027.12 = 198,243,889.26/x - Step 3: Cross multiply
493,325,798.66x = 740,082,027.12 × 198,243,889.26 - Step 4: Simplify right side
493,325,798.66x = 146,716,739,427,693,600 - Step 5: Solve for x
x = 146,716,739,427,693,600/493,325,798.66 - Step 6: Final answer
x = 297,403,338.37
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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.