Finding the Fourth Proportional to 539,776,027.80, 809,664,041.70 and 267,678,235.80
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Solution
The fourth proportional to 539,776,027.80, 809,664,041.70 and 267,678,235.80 is: 401,517,353.70
Step by Step Solution
- Step 1: Write the proportion equation
539,776,027.80 : 809,664,041.70 = 267,678,235.80 : x - Step 2: Convert to fraction form
539,776,027.80/809,664,041.70 = 267,678,235.80/x - Step 3: Cross multiply
539,776,027.80x = 809,664,041.70 × 267,678,235.80 - Step 4: Simplify right side
539,776,027.80x = 216,729,442,272,953,664 - Step 5: Solve for x
x = 216,729,442,272,953,664/539,776,027.80 - Step 6: Final answer
x = 401,517,353.70
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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.