Finding the Fourth Proportional to 330,084,577.99, 455,527,638.84 and 181,410,968.98
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Solution
The fourth proportional to 330,084,577.99, 455,527,638.84 and 181,410,968.98 is: 250,353,139.38
Step by Step Solution
- Step 1: Write the proportion equation
330,084,577.99 : 455,527,638.84 = 181,410,968.98 : x - Step 2: Convert to fraction form
330,084,577.99/455,527,638.84 = 181,410,968.98/x - Step 3: Cross multiply
330,084,577.99x = 455,527,638.84 × 181,410,968.98 - Step 4: Simplify right side
330,084,577.99x = 82,637,710,359,135,872 - Step 5: Solve for x
x = 82,637,710,359,135,872/330,084,577.99 - Step 6: Final answer
x = 250,353,139.38
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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.