Finding the Fourth Proportional to 736,714,104.20, 1,016,660,291.90 and 402,186,626.63
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Solution
The fourth proportional to 736,714,104.20, 1,016,660,291.90 and 402,186,626.63 is: 555,014,721.31
Step by Step Solution
- Step 1: Write the proportion equation
736,714,104.20 : 1,016,660,291.90 = 402,186,626.63 : x - Step 2: Convert to fraction form
736,714,104.20/1,016,660,291.90 = 402,186,626.63/x - Step 3: Cross multiply
736,714,104.20x = 1,016,660,291.90 × 402,186,626.63 - Step 4: Simplify right side
736,714,104.20x = 408,887,173,227,932,096 - Step 5: Solve for x
x = 408,887,173,227,932,096/736,714,104.20 - Step 6: Final answer
x = 555,014,721.31
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.