Finding the Fourth Proportional to 417,197,682.36, 625,320,479.61 and 168,043,470.03
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Solution
The fourth proportional to 417,197,682.36, 625,320,479.61 and 168,043,470.03 is: 251,873,458.84
Step by Step Solution
- Step 1: Write the proportion equation
417,197,682.36 : 625,320,479.61 = 168,043,470.03 : x - Step 2: Convert to fraction form
417,197,682.36/625,320,479.61 = 168,043,470.03/x - Step 3: Cross multiply
417,197,682.36x = 625,320,479.61 × 168,043,470.03 - Step 4: Simplify right side
417,197,682.36x = 105,081,023,274,488,272 - Step 5: Solve for x
x = 105,081,023,274,488,272/417,197,682.36 - Step 6: Final answer
x = 251,873,458.84
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.