Finding the Fourth Proportional to 2,029,771,675.75, 3,044,670,965.83 and 786,340,235.65
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Solution
The fourth proportional to 2,029,771,675.75, 3,044,670,965.83 and 786,340,235.65 is: 1,179,515,564.90
Step by Step Solution
- Step 1: Write the proportion equation
2,029,771,675.75 : 3,044,670,965.83 = 786,340,235.65 : x - Step 2: Convert to fraction form
2,029,771,675.75/3,044,670,965.83 = 786,340,235.65/x - Step 3: Cross multiply
2,029,771,675.75x = 3,044,670,965.83 × 786,340,235.65 - Step 4: Simplify right side
2,029,771,675.75x = 2,394,147,284,730,286,080 - Step 5: Solve for x
x = 2,394,147,284,730,286,080/2,029,771,675.75 - Step 6: Final answer
x = 1,179,515,564.90
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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.