Finding the Fourth Proportional to 2,275,165,709.07, 3,412,748,563.59 and 639,390,311.07
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Solution
The fourth proportional to 2,275,165,709.07, 3,412,748,563.59 and 639,390,311.07 is: 959,085,466.60
Step by Step Solution
- Step 1: Write the proportion equation
2,275,165,709.07 : 3,412,748,563.59 = 639,390,311.07 : x - Step 2: Convert to fraction form
2,275,165,709.07/3,412,748,563.59 = 639,390,311.07/x - Step 3: Cross multiply
2,275,165,709.07x = 3,412,748,563.59 × 639,390,311.07 - Step 4: Simplify right side
2,275,165,709.07x = 2,182,078,365,677,506,048 - Step 5: Solve for x
x = 2,182,078,365,677,506,048/2,275,165,709.07 - Step 6: Final answer
x = 959,085,466.60
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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.