Finding the Fourth Proportional to 3,783,600,996.24, 5,220,320,919.36 and 2,175,968,351.76
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Solution
The fourth proportional to 3,783,600,996.24, 5,220,320,919.36 and 2,175,968,351.76 is: 3,002,233,353.32
Step by Step Solution
- Step 1: Write the proportion equation
3,783,600,996.24 : 5,220,320,919.36 = 2,175,968,351.76 : x - Step 2: Convert to fraction form
3,783,600,996.24/5,220,320,919.36 = 2,175,968,351.76/x - Step 3: Cross multiply
3,783,600,996.24x = 5,220,320,919.36 × 2,175,968,351.76 - Step 4: Simplify right side
3,783,600,996.24x = 11,359,253,106,558,027,776 - Step 5: Solve for x
x = 11,359,253,106,558,027,776/3,783,600,996.24 - Step 6: Final answer
x = 3,002,233,353.32
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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.