Finding the Fourth Proportional to 442,950,458.37, 664,417,134.63 and 132,268,582.86
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Solution
The fourth proportional to 442,950,458.37, 664,417,134.63 and 132,268,582.86 is: 198,400,320.32
Step by Step Solution
- Step 1: Write the proportion equation
442,950,458.37 : 664,417,134.63 = 132,268,582.86 : x - Step 2: Convert to fraction form
442,950,458.37/664,417,134.63 = 132,268,582.86/x - Step 3: Cross multiply
442,950,458.37x = 664,417,134.63 × 132,268,582.86 - Step 4: Simplify right side
442,950,458.37x = 87,881,512,825,411,936 - Step 5: Solve for x
x = 87,881,512,825,411,936/442,950,458.37 - Step 6: Final answer
x = 198,400,320.32
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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.