Finding the Fourth Proportional to 2,996,352,006.80, 4,494,528,010.20 and 2,512,622,598.80
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Solution
The fourth proportional to 2,996,352,006.80, 4,494,528,010.20 and 2,512,622,598.80 is: 3,768,933,898.20
Step by Step Solution
- Step 1: Write the proportion equation
2,996,352,006.80 : 4,494,528,010.20 = 2,512,622,598.80 : x - Step 2: Convert to fraction form
2,996,352,006.80/4,494,528,010.20 = 2,512,622,598.80/x - Step 3: Cross multiply
2,996,352,006.80x = 4,494,528,010.20 × 2,512,622,598.80 - Step 4: Simplify right side
2,996,352,006.80x = 11,293,052,649,368,117,248 - Step 5: Solve for x
x = 11,293,052,649,368,117,248/2,996,352,006.80 - Step 6: Final answer
x = 3,768,933,898.20
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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.