Finding the Fourth Proportional to 664,031,718.60, 996,047,577.90 and 203,969,149.80
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Solution
The fourth proportional to 664,031,718.60, 996,047,577.90 and 203,969,149.80 is: 305,953,724.70
Step by Step Solution
- Step 1: Write the proportion equation
664,031,718.60 : 996,047,577.90 = 203,969,149.80 : x - Step 2: Convert to fraction form
664,031,718.60/996,047,577.90 = 203,969,149.80/x - Step 3: Cross multiply
664,031,718.60x = 996,047,577.90 × 203,969,149.80 - Step 4: Simplify right side
664,031,718.60x = 203,162,977,624,612,288 - Step 5: Solve for x
x = 203,162,977,624,612,288/664,031,718.60 - Step 6: Final answer
x = 305,953,724.70
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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.