Finding the Fourth Proportional to 76,674,349,085.36, 115,011,523,635.94 and 25,622,645,760.80
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Solution
The fourth proportional to 76,674,349,085.36, 115,011,523,635.94 and 25,622,645,760.80 is: 38,433,968,643.84
Step by Step Solution
- Step 1: Write the proportion equation
76,674,349,085.36 : 115,011,523,635.94 = 25,622,645,760.80 : x - Step 2: Convert to fraction form
76,674,349,085.36/115,011,523,635.94 = 25,622,645,760.80/x - Step 3: Cross multiply
76,674,349,085.36x = 115,011,523,635.94 × 25,622,645,760.80 - Step 4: Simplify right side
76,674,349,085.36x = 2,946,899,528,532,991,934,464 - Step 5: Solve for x
x = 2,946,899,528,532,991,934,464/76,674,349,085.36 - Step 6: Final answer
x = 38,433,968,643.84
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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.