Finding the Fourth Proportional to 355,894,038.20, 533,841,057.30 and 279,452,847.80
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Solution
The fourth proportional to 355,894,038.20, 533,841,057.30 and 279,452,847.80 is: 419,179,271.70
Step by Step Solution
- Step 1: Write the proportion equation
355,894,038.20 : 533,841,057.30 = 279,452,847.80 : x - Step 2: Convert to fraction form
355,894,038.20/533,841,057.30 = 279,452,847.80/x - Step 3: Cross multiply
355,894,038.20x = 533,841,057.30 × 279,452,847.80 - Step 4: Simplify right side
355,894,038.20x = 149,183,403,735,048,000 - Step 5: Solve for x
x = 149,183,403,735,048,000/355,894,038.20 - Step 6: Final answer
x = 419,179,271.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.