Finding the Fourth Proportional to 27,749,293,670.09, 38,293,034,458.35 and 15,706,045,905.99
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Solution
The fourth proportional to 27,749,293,670.09, 38,293,034,458.35 and 15,706,045,905.99 is: 21,673,782,555.80
Step by Step Solution
- Step 1: Write the proportion equation
27,749,293,670.09 : 38,293,034,458.35 = 15,706,045,905.99 : x - Step 2: Convert to fraction form
27,749,293,670.09/38,293,034,458.35 = 15,706,045,905.99/x - Step 3: Cross multiply
27,749,293,670.09x = 38,293,034,458.35 × 15,706,045,905.99 - Step 4: Simplify right side
27,749,293,670.09x = 601,432,157,082,616,856,576 - Step 5: Solve for x
x = 601,432,157,082,616,856,576/27,749,293,670.09 - Step 6: Final answer
x = 21,673,782,555.80
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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.