Finding the Fourth Proportional to 674,210,520.40, 1,010,905,207.80 and 264,776,126.80
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Solution
The fourth proportional to 674,210,520.40, 1,010,905,207.80 and 264,776,126.80 is: 397,002,949.95
Step by Step Solution
- Step 1: Write the proportion equation
674,210,520.40 : 1,010,905,207.80 = 264,776,126.80 : x - Step 2: Convert to fraction form
674,210,520.40/1,010,905,207.80 = 264,776,126.80/x - Step 3: Cross multiply
674,210,520.40x = 1,010,905,207.80 × 264,776,126.80 - Step 4: Simplify right side
674,210,520.40x = 267,663,565,483,233,152 - Step 5: Solve for x
x = 267,663,565,483,233,152/674,210,520.40 - Step 6: Final answer
x = 397,002,949.95
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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.