Finding the Fourth Proportional to 2,087,326,620.99, 2,880,512,590.23 and 1,147,545,252.27
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Solution
The fourth proportional to 2,087,326,620.99, 2,880,512,590.23 and 1,147,545,252.27 is: 1,583,613,467.00
Step by Step Solution
- Step 1: Write the proportion equation
2,087,326,620.99 : 2,880,512,590.23 = 1,147,545,252.27 : x - Step 2: Convert to fraction form
2,087,326,620.99/2,880,512,590.23 = 1,147,545,252.27/x - Step 3: Cross multiply
2,087,326,620.99x = 2,880,512,590.23 × 1,147,545,252.27 - Step 4: Simplify right side
2,087,326,620.99x = 3,305,518,547,022,396,416 - Step 5: Solve for x
x = 3,305,518,547,022,396,416/2,087,326,620.99 - Step 6: Final answer
x = 1,583,613,467.00
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1.5x scale
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.