Finding the Fourth Proportional to 20,267,506,075.19, 27,969,157,939.52 and 11,235,241,293.44
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Solution
The fourth proportional to 20,267,506,075.19, 27,969,157,939.52 and 11,235,241,293.44 is: 15,504,632,738.68
Step by Step Solution
- Step 1: Write the proportion equation
20,267,506,075.19 : 27,969,157,939.52 = 11,235,241,293.44 : x - Step 2: Convert to fraction form
20,267,506,075.19/27,969,157,939.52 = 11,235,241,293.44/x - Step 3: Cross multiply
20,267,506,075.19x = 27,969,157,939.52 × 11,235,241,293.44 - Step 4: Simplify right side
20,267,506,075.19x = 314,240,238,224,918,708,224 - Step 5: Solve for x
x = 314,240,238,224,918,708,224/20,267,506,075.19 - Step 6: Final answer
x = 15,504,632,738.68
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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.