Finding the Fourth Proportional to 5,214,977,310.30, 7,822,465,965.45 and 3,990,537,246.30
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Solution
The fourth proportional to 5,214,977,310.30, 7,822,465,965.45 and 3,990,537,246.30 is: 5,985,805,869.45
Step by Step Solution
- Step 1: Write the proportion equation
5,214,977,310.30 : 7,822,465,965.45 = 3,990,537,246.30 : x - Step 2: Convert to fraction form
5,214,977,310.30/7,822,465,965.45 = 3,990,537,246.30/x - Step 3: Cross multiply
5,214,977,310.30x = 7,822,465,965.45 × 3,990,537,246.30 - Step 4: Simplify right side
5,214,977,310.30x = 31,215,841,793,042,313,216 - Step 5: Solve for x
x = 31,215,841,793,042,313,216/5,214,977,310.30 - Step 6: Final answer
x = 5,985,805,869.45
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Double scale
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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.