Finding the Fourth Proportional to 378,559,637.70, 567,839,456.55 and 378,559,637.70
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Solution
The fourth proportional to 378,559,637.70, 567,839,456.55 and 378,559,637.70 is: 567,839,456.55
Step by Step Solution
- Step 1: Write the proportion equation
378,559,637.70 : 567,839,456.55 = 378,559,637.70 : x - Step 2: Convert to fraction form
378,559,637.70/567,839,456.55 = 378,559,637.70/x - Step 3: Cross multiply
378,559,637.70x = 567,839,456.55 × 378,559,637.70 - Step 4: Simplify right side
378,559,637.70x = 214,961,098,943,332,864 - Step 5: Solve for x
x = 214,961,098,943,332,864/378,559,637.70 - Step 6: Final answer
x = 567,839,456.55
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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.