Finding the Fourth Proportional to 3,534,193,432.90, 5,301,290,149.35 and 1,207,757,311.30
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Solution
The fourth proportional to 3,534,193,432.90, 5,301,290,149.35 and 1,207,757,311.30 is: 1,811,635,966.95
Step by Step Solution
- Step 1: Write the proportion equation
3,534,193,432.90 : 5,301,290,149.35 = 1,207,757,311.30 : x - Step 2: Convert to fraction form
3,534,193,432.90/5,301,290,149.35 = 1,207,757,311.30/x - Step 3: Cross multiply
3,534,193,432.90x = 5,301,290,149.35 × 1,207,757,311.30 - Step 4: Simplify right side
3,534,193,432.90x = 6,402,671,937,200,132,096 - Step 5: Solve for x
x = 6,402,671,937,200,132,096/3,534,193,432.90 - Step 6: Final answer
x = 1,811,635,966.95
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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.