Finding the Fourth Proportional to 754,764,302.71, 1,131,570,135.21 and 236,895,124.87
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Solution
The fourth proportional to 754,764,302.71, 1,131,570,135.21 and 236,895,124.87 is: 355,161,800.20
Step by Step Solution
- Step 1: Write the proportion equation
754,764,302.71 : 1,131,570,135.21 = 236,895,124.87 : x - Step 2: Convert to fraction form
754,764,302.71/1,131,570,135.21 = 236,895,124.87/x - Step 3: Cross multiply
754,764,302.71x = 1,131,570,135.21 × 236,895,124.87 - Step 4: Simplify right side
754,764,302.71x = 268,063,448,474,077,888 - Step 5: Solve for x
x = 268,063,448,474,077,888/754,764,302.71 - Step 6: Final answer
x = 355,161,800.20
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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.