Finding the Fourth Proportional to 1,040,293,903.10, 1,560,440,824.49 and 479,889,926.67
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Solution
The fourth proportional to 1,040,293,903.10, 1,560,440,824.49 and 479,889,926.67 is: 719,834,876.09
Step by Step Solution
- Step 1: Write the proportion equation
1,040,293,903.10 : 1,560,440,824.49 = 479,889,926.67 : x - Step 2: Convert to fraction form
1,040,293,903.10/1,560,440,824.49 = 479,889,926.67/x - Step 3: Cross multiply
1,040,293,903.10x = 1,560,440,824.49 × 479,889,926.67 - Step 4: Simplify right side
1,040,293,903.10x = 748,839,832,837,380,480 - Step 5: Solve for x
x = 748,839,832,837,380,480/1,040,293,903.10 - Step 6: Final answer
x = 719,834,876.09
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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.