Finding the Fourth Proportional to 407,884,933.80, 611,391,739.37 and 232,630,651.08
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Solution
The fourth proportional to 407,884,933.80, 611,391,739.37 and 232,630,651.08 is: 348,697,504.14
Step by Step Solution
- Step 1: Write the proportion equation
407,884,933.80 : 611,391,739.37 = 232,630,651.08 : x - Step 2: Convert to fraction form
407,884,933.80/611,391,739.37 = 232,630,651.08/x - Step 3: Cross multiply
407,884,933.80x = 611,391,739.37 × 232,630,651.08 - Step 4: Simplify right side
407,884,933.80x = 142,228,458,393,413,632 - Step 5: Solve for x
x = 142,228,458,393,413,632/407,884,933.80 - Step 6: Final answer
x = 348,697,504.14
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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.