Finding the Fourth Proportional to 417,366,797.94, 626,171,364.72 and 168,243,489.99
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Solution
The fourth proportional to 417,366,797.94, 626,171,364.72 and 168,243,489.99 is: 252,414,078.58
Step by Step Solution
- Step 1: Write the proportion equation
417,366,797.94 : 626,171,364.72 = 168,243,489.99 : x - Step 2: Convert to fraction form
417,366,797.94/626,171,364.72 = 168,243,489.99/x - Step 3: Cross multiply
417,366,797.94x = 626,171,364.72 × 168,243,489.99 - Step 4: Simplify right side
417,366,797.94x = 105,349,255,732,293,968 - Step 5: Solve for x
x = 105,349,255,732,293,968/417,366,797.94 - Step 6: Final answer
x = 252,414,078.58
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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.