Finding the Fourth Proportional to 5,391,707,295.80, 8,087,560,943.70 and 3,521,286,918.20
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Solution
The fourth proportional to 5,391,707,295.80, 8,087,560,943.70 and 3,521,286,918.20 is: 5,281,930,377.30
Step by Step Solution
- Step 1: Write the proportion equation
5,391,707,295.80 : 8,087,560,943.70 = 3,521,286,918.20 : x - Step 2: Convert to fraction form
5,391,707,295.80/8,087,560,943.70 = 3,521,286,918.20/x - Step 3: Cross multiply
5,391,707,295.80x = 8,087,560,943.70 × 3,521,286,918.20 - Step 4: Simplify right side
5,391,707,295.80x = 28,478,622,551,196,053,504 - Step 5: Solve for x
x = 28,478,622,551,196,053,504/5,391,707,295.80 - Step 6: Final answer
x = 5,281,930,377.30
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1.5x scale
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.