Finding the Fourth Proportional to 1,119,635,285.80, 1,679,452,928.70 and 301,747,586.80
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Solution
The fourth proportional to 1,119,635,285.80, 1,679,452,928.70 and 301,747,586.80 is: 452,621,380.20
Step by Step Solution
- Step 1: Write the proportion equation
1,119,635,285.80 : 1,679,452,928.70 = 301,747,586.80 : x - Step 2: Convert to fraction form
1,119,635,285.80/1,679,452,928.70 = 301,747,586.80/x - Step 3: Cross multiply
1,119,635,285.80x = 1,679,452,928.70 × 301,747,586.80 - Step 4: Simplify right side
1,119,635,285.80x = 506,770,868,379,417,472 - Step 5: Solve for x
x = 506,770,868,379,417,472/1,119,635,285.80 - Step 6: Final answer
x = 452,621,380.20
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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.