Finding the Fourth Proportional to 1,512,423,061.13, 2,087,180,729.99 and 843,361,575.99
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Solution
The fourth proportional to 1,512,423,061.13, 2,087,180,729.99 and 843,361,575.99 is: 1,163,859,554.29
Step by Step Solution
- Step 1: Write the proportion equation
1,512,423,061.13 : 2,087,180,729.99 = 843,361,575.99 : x - Step 2: Convert to fraction form
1,512,423,061.13/2,087,180,729.99 = 843,361,575.99/x - Step 3: Cross multiply
1,512,423,061.13x = 2,087,180,729.99 × 843,361,575.99 - Step 4: Simplify right side
1,512,423,061.13x = 1,760,248,029,816,108,288 - Step 5: Solve for x
x = 1,760,248,029,816,108,288/1,512,423,061.13 - Step 6: Final answer
x = 1,163,859,554.29
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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.