Finding the Fourth Proportional to 2,224,211,891.10, 3,069,209,549.16 and 1,319,811,991.74
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Solution
The fourth proportional to 2,224,211,891.10, 3,069,209,549.16 and 1,319,811,991.74 is: 1,821,220,174.37
Step by Step Solution
- Step 1: Write the proportion equation
2,224,211,891.10 : 3,069,209,549.16 = 1,319,811,991.74 : x - Step 2: Convert to fraction form
2,224,211,891.10/3,069,209,549.16 = 1,319,811,991.74/x - Step 3: Cross multiply
2,224,211,891.10x = 3,069,209,549.16 × 1,319,811,991.74 - Step 4: Simplify right side
2,224,211,891.10x = 4,050,779,568,144,286,720 - Step 5: Solve for x
x = 4,050,779,568,144,286,720/2,224,211,891.10 - Step 6: Final answer
x = 1,821,220,174.37
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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.