Finding the Fourth Proportional to 565,849,295.08, 780,738,451.27 and 475,665,661.42
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Solution
The fourth proportional to 565,849,295.08, 780,738,451.27 and 475,665,661.42 is: 656,306,325.82
Step by Step Solution
- Step 1: Write the proportion equation
565,849,295.08 : 780,738,451.27 = 475,665,661.42 : x - Step 2: Convert to fraction form
565,849,295.08/780,738,451.27 = 475,665,661.42/x - Step 3: Cross multiply
565,849,295.08x = 780,738,451.27 × 475,665,661.42 - Step 4: Simplify right side
565,849,295.08x = 371,370,471,819,371,008 - Step 5: Solve for x
x = 371,370,471,819,371,008/565,849,295.08 - Step 6: Final answer
x = 656,306,325.82
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.