Finding the Fourth Proportional to 674,210,516.40, 1,010,905,201.80 and 264,776,122.80
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Solution
The fourth proportional to 674,210,516.40, 1,010,905,201.80 and 264,776,122.80 is: 397,002,943.95
Step by Step Solution
- Step 1: Write the proportion equation
674,210,516.40 : 1,010,905,201.80 = 264,776,122.80 : x - Step 2: Convert to fraction form
674,210,516.40/1,010,905,201.80 = 264,776,122.80/x - Step 3: Cross multiply
674,210,516.40x = 1,010,905,201.80 × 264,776,122.80 - Step 4: Simplify right side
674,210,516.40x = 267,663,559,850,955,584 - Step 5: Solve for x
x = 267,663,559,850,955,584/674,210,516.40 - Step 6: Final answer
x = 397,002,943.95
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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.