Finding the Fourth Proportional to 1,385,203,722.43, 1,911,582,172.76 and 750,124,910.49
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Solution
The fourth proportional to 1,385,203,722.43, 1,911,582,172.76 and 750,124,910.49 is: 1,035,172,937.39
Step by Step Solution
- Step 1: Write the proportion equation
1,385,203,722.43 : 1,911,582,172.76 = 750,124,910.49 : x - Step 2: Convert to fraction form
1,385,203,722.43/1,911,582,172.76 = 750,124,910.49/x - Step 3: Cross multiply
1,385,203,722.43x = 1,911,582,172.76 × 750,124,910.49 - Step 4: Simplify right side
1,385,203,722.43x = 1,433,925,406,231,040,512 - Step 5: Solve for x
x = 1,433,925,406,231,040,512/1,385,203,722.43 - Step 6: Final answer
x = 1,035,172,937.39
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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.