Finding the Fourth Proportional to 284,015,409.80, 426,023,114.70 and 130,960,401.80
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Solution
The fourth proportional to 284,015,409.80, 426,023,114.70 and 130,960,401.80 is: 196,440,602.70
Step by Step Solution
- Step 1: Write the proportion equation
284,015,409.80 : 426,023,114.70 = 130,960,401.80 : x - Step 2: Convert to fraction form
284,015,409.80/426,023,114.70 = 130,960,401.80/x - Step 3: Cross multiply
284,015,409.80x = 426,023,114.70 × 130,960,401.80 - Step 4: Simplify right side
284,015,409.80x = 55,792,158,277,199,480 - Step 5: Solve for x
x = 55,792,158,277,199,480/284,015,409.80 - Step 6: Final answer
x = 196,440,602.70
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1.5x scale
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.