Finding the Fourth Proportional to 1,063,748,708.40, 1,467,957,894.17 and 587,459,230.49
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Solution
The fourth proportional to 1,063,748,708.40, 1,467,957,894.17 and 587,459,230.49 is: 810,685,275.66
Step by Step Solution
- Step 1: Write the proportion equation
1,063,748,708.40 : 1,467,957,894.17 = 587,459,230.49 : x - Step 2: Convert to fraction form
1,063,748,708.40/1,467,957,894.17 = 587,459,230.49/x - Step 3: Cross multiply
1,063,748,708.40x = 1,467,957,894.17 × 587,459,230.49 - Step 4: Simplify right side
1,063,748,708.40x = 862,365,414,901,561,600 - Step 5: Solve for x
x = 862,365,414,901,561,600/1,063,748,708.40 - Step 6: Final answer
x = 810,685,275.66
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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.