Finding the Fourth Proportional to 682,677,587.60, 942,096,708.51 and 369,415,163.06
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Solution
The fourth proportional to 682,677,587.60, 942,096,708.51 and 369,415,163.06 is: 509,793,811.18
Step by Step Solution
- Step 1: Write the proportion equation
682,677,587.60 : 942,096,708.51 = 369,415,163.06 : x - Step 2: Convert to fraction form
682,677,587.60/942,096,708.51 = 369,415,163.06/x - Step 3: Cross multiply
682,677,587.60x = 942,096,708.51 × 369,415,163.06 - Step 4: Simplify right side
682,677,587.60x = 348,024,809,192,029,824 - Step 5: Solve for x
x = 348,024,809,192,029,824/682,677,587.60 - Step 6: Final answer
x = 509,793,811.18
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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.