Finding the Fourth Proportional to 1,105,676,555.66, 1,524,823,102.49 and 864,304,419.42
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Solution
The fourth proportional to 1,105,676,555.66, 1,524,823,102.49 and 864,304,419.42 is: 1,191,950,158.99
Step by Step Solution
- Step 1: Write the proportion equation
1,105,676,555.66 : 1,524,823,102.49 = 864,304,419.42 : x - Step 2: Convert to fraction form
1,105,676,555.66/1,524,823,102.49 = 864,304,419.42/x - Step 3: Cross multiply
1,105,676,555.66x = 1,524,823,102.49 × 864,304,419.42 - Step 4: Simplify right side
1,105,676,555.66x = 1,317,911,346,315,822,592 - Step 5: Solve for x
x = 1,317,911,346,315,822,592/1,105,676,555.66 - Step 6: Final answer
x = 1,191,950,158.99
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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.