Finding the Fourth Proportional to 1,197,727,113.22, 1,652,771,167.77 and 676,257,816.58
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Solution
The fourth proportional to 1,197,727,113.22, 1,652,771,167.77 and 676,257,816.58 is: 933,183,701.77
Step by Step Solution
- Step 1: Write the proportion equation
1,197,727,113.22 : 1,652,771,167.77 = 676,257,816.58 : x - Step 2: Convert to fraction form
1,197,727,113.22/1,652,771,167.77 = 676,257,816.58/x - Step 3: Cross multiply
1,197,727,113.22x = 1,652,771,167.77 × 676,257,816.58 - Step 4: Simplify right side
1,197,727,113.22x = 1,117,699,421,222,517,120 - Step 5: Solve for x
x = 1,117,699,421,222,517,120/1,197,727,113.22 - Step 6: Final answer
x = 933,183,701.77
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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.