Finding the Fourth Proportional to 851,195,704.12, 1,174,649,541.12 and 460,055,128.12
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Solution
The fourth proportional to 851,195,704.12, 1,174,649,541.12 and 460,055,128.12 is: 634,875,790.04
Step by Step Solution
- Step 1: Write the proportion equation
851,195,704.12 : 1,174,649,541.12 = 460,055,128.12 : x - Step 2: Convert to fraction form
851,195,704.12/1,174,649,541.12 = 460,055,128.12/x - Step 3: Cross multiply
851,195,704.12x = 1,174,649,541.12 × 460,055,128.12 - Step 4: Simplify right side
851,195,704.12x = 540,403,545,136,060,736 - Step 5: Solve for x
x = 540,403,545,136,060,736/851,195,704.12 - Step 6: Final answer
x = 634,875,790.04
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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.