Finding the Fourth Proportional to 692,717,576.41, 955,587,827.66 and 428,315,050.09
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Solution
The fourth proportional to 692,717,576.41, 955,587,827.66 and 428,315,050.09 is: 590,850,675.96
Step by Step Solution
- Step 1: Write the proportion equation
692,717,576.41 : 955,587,827.66 = 428,315,050.09 : x - Step 2: Convert to fraction form
692,717,576.41/955,587,827.66 = 428,315,050.09/x - Step 3: Cross multiply
692,717,576.41x = 955,587,827.66 × 428,315,050.09 - Step 4: Simplify right side
692,717,576.41x = 409,292,648,268,649,664 - Step 5: Solve for x
x = 409,292,648,268,649,664/692,717,576.41 - Step 6: Final answer
x = 590,850,675.96
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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.