Finding the Fourth Proportional to 374,000,309.64, 516,110,523.66 and 208,989,235.08
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Solution
The fourth proportional to 374,000,309.64, 516,110,523.66 and 208,989,235.08 is: 288,399,610.31
Step by Step Solution
- Step 1: Write the proportion equation
374,000,309.64 : 516,110,523.66 = 208,989,235.08 : x - Step 2: Convert to fraction form
374,000,309.64/516,110,523.66 = 208,989,235.08/x - Step 3: Cross multiply
374,000,309.64x = 516,110,523.66 × 208,989,235.08 - Step 4: Simplify right side
374,000,309.64x = 107,861,543,556,441,648 - Step 5: Solve for x
x = 107,861,543,556,441,648/374,000,309.64 - Step 6: Final answer
x = 288,399,610.31
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.