Finding the Fourth Proportional to 621,992,701.44, 932,992,539.92 and 207,468,384.76
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Solution
The fourth proportional to 621,992,701.44, 932,992,539.92 and 207,468,384.76 is: 311,203,740.50
Step by Step Solution
- Step 1: Write the proportion equation
621,992,701.44 : 932,992,539.92 = 207,468,384.76 : x - Step 2: Convert to fraction form
621,992,701.44/932,992,539.92 = 207,468,384.76/x - Step 3: Cross multiply
621,992,701.44x = 932,992,539.92 × 207,468,384.76 - Step 4: Simplify right side
621,992,701.44x = 193,566,455,250,332,192 - Step 5: Solve for x
x = 193,566,455,250,332,192/621,992,701.44 - Step 6: Final answer
x = 311,203,740.50
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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.