Finding the Fourth Proportional to 7,799,775,638.12, 10,763,711,243.36 and 4,231,482,544.16
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Solution
The fourth proportional to 7,799,775,638.12, 10,763,711,243.36 and 4,231,482,544.16 is: 5,839,457,229.26
Step by Step Solution
- Step 1: Write the proportion equation
7,799,775,638.12 : 10,763,711,243.36 = 4,231,482,544.16 : x - Step 2: Convert to fraction form
7,799,775,638.12/10,763,711,243.36 = 4,231,482,544.16/x - Step 3: Cross multiply
7,799,775,638.12x = 10,763,711,243.36 × 4,231,482,544.16 - Step 4: Simplify right side
7,799,775,638.12x = 45,546,456,236,581,593,088 - Step 5: Solve for x
x = 45,546,456,236,581,593,088/7,799,775,638.12 - Step 6: Final answer
x = 5,839,457,229.26
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Double scale
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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.