Finding the Fourth Proportional to 474,561,020.90, 711,582,033.26 and 376,820,580.26
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Solution
The fourth proportional to 474,561,020.90, 711,582,033.26 and 376,820,580.26 is: 565,024,818.45
Step by Step Solution
- Step 1: Write the proportion equation
474,561,020.90 : 711,582,033.26 = 376,820,580.26 : x - Step 2: Convert to fraction form
474,561,020.90/711,582,033.26 = 376,820,580.26/x - Step 3: Cross multiply
474,561,020.90x = 711,582,033.26 × 376,820,580.26 - Step 4: Simplify right side
474,561,020.90x = 268,138,754,675,623,808 - Step 5: Solve for x
x = 268,138,754,675,623,808/474,561,020.90 - Step 6: Final answer
x = 565,024,818.45
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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.