Finding the Fourth Proportional to 1,150,235,497.88, 1,587,396,121.29 and 634,656,217.94
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Solution
The fourth proportional to 1,150,235,497.88, 1,587,396,121.29 and 634,656,217.94 is: 875,864,829.91
Step by Step Solution
- Step 1: Write the proportion equation
1,150,235,497.88 : 1,587,396,121.29 = 634,656,217.94 : x - Step 2: Convert to fraction form
1,150,235,497.88/1,587,396,121.29 = 634,656,217.94/x - Step 3: Cross multiply
1,150,235,497.88x = 1,587,396,121.29 × 634,656,217.94 - Step 4: Simplify right side
1,150,235,497.88x = 1,007,450,818,710,536,960 - Step 5: Solve for x
x = 1,007,450,818,710,536,960/1,150,235,497.88 - Step 6: Final answer
x = 875,864,829.91
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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.