Finding the Fourth Proportional to 404,572,537.95, 558,310,102.55 and 218,933,553.70
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Solution
The fourth proportional to 404,572,537.95, 558,310,102.55 and 218,933,553.70 is: 302,128,304.20
Step by Step Solution
- Step 1: Write the proportion equation
404,572,537.95 : 558,310,102.55 = 218,933,553.70 : x - Step 2: Convert to fraction form
404,572,537.95/558,310,102.55 = 218,933,553.70/x - Step 3: Cross multiply
404,572,537.95x = 558,310,102.55 × 218,933,553.70 - Step 4: Simplify right side
404,572,537.95x = 122,232,814,817,882,912 - Step 5: Solve for x
x = 122,232,814,817,882,912/404,572,537.95 - Step 6: Final answer
x = 302,128,304.20
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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.