Finding the Fourth Proportional to 724,267,036.70, 1,086,400,555.05 and 264,220,214.30
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Solution
The fourth proportional to 724,267,036.70, 1,086,400,555.05 and 264,220,214.30 is: 396,330,321.45
Step by Step Solution
- Step 1: Write the proportion equation
724,267,036.70 : 1,086,400,555.05 = 264,220,214.30 : x - Step 2: Convert to fraction form
724,267,036.70/1,086,400,555.05 = 264,220,214.30/x - Step 3: Cross multiply
724,267,036.70x = 1,086,400,555.05 × 264,220,214.30 - Step 4: Simplify right side
724,267,036.70x = 287,048,987,470,949,952 - Step 5: Solve for x
x = 287,048,987,470,949,952/724,267,036.70 - Step 6: Final answer
x = 396,330,321.45
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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.