Finding the Fourth Proportional to 2,275,165,709.57, 3,412,748,564.34 and 639,390,311.57
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Solution
The fourth proportional to 2,275,165,709.57, 3,412,748,564.34 and 639,390,311.57 is: 959,085,467.35
Step by Step Solution
- Step 1: Write the proportion equation
2,275,165,709.57 : 3,412,748,564.34 = 639,390,311.57 : x - Step 2: Convert to fraction form
2,275,165,709.57/3,412,748,564.34 = 639,390,311.57/x - Step 3: Cross multiply
2,275,165,709.57x = 3,412,748,564.34 × 639,390,311.57 - Step 4: Simplify right side
2,275,165,709.57x = 2,182,078,367,846,359,296 - Step 5: Solve for x
x = 2,182,078,367,846,359,296/2,275,165,709.57 - Step 6: Final answer
x = 959,085,467.35
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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.