Finding the Fourth Proportional to 2,811,894,865.20, 4,217,842,297.80 and 2,356,131,063.60
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Solution
The fourth proportional to 2,811,894,865.20, 4,217,842,297.80 and 2,356,131,063.60 is: 3,534,196,595.40
Step by Step Solution
- Step 1: Write the proportion equation
2,811,894,865.20 : 4,217,842,297.80 = 2,356,131,063.60 : x - Step 2: Convert to fraction form
2,811,894,865.20/4,217,842,297.80 = 2,356,131,063.60/x - Step 3: Cross multiply
2,811,894,865.20x = 4,217,842,297.80 × 2,356,131,063.60 - Step 4: Simplify right side
2,811,894,865.20x = 9,937,789,259,212,582,912 - Step 5: Solve for x
x = 9,937,789,259,212,582,912/2,811,894,865.20 - Step 6: Final answer
x = 3,534,196,595.40
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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.