Finding the Fourth Proportional to 724,266,220.20, 1,086,399,330.30 and 264,219,397.80
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Solution
The fourth proportional to 724,266,220.20, 1,086,399,330.30 and 264,219,397.80 is: 396,329,096.70
Step by Step Solution
- Step 1: Write the proportion equation
724,266,220.20 : 1,086,399,330.30 = 264,219,397.80 : x - Step 2: Convert to fraction form
724,266,220.20/1,086,399,330.30 = 264,219,397.80/x - Step 3: Cross multiply
724,266,220.20x = 1,086,399,330.30 × 264,219,397.80 - Step 4: Simplify right side
724,266,220.20x = 287,047,776,822,189,280 - Step 5: Solve for x
x = 287,047,776,822,189,280/724,266,220.20 - Step 6: Final answer
x = 396,329,096.70
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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.