Finding the Fourth Proportional to 1,197,727,112.22, 1,652,771,166.39 and 676,257,815.58
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Solution
The fourth proportional to 1,197,727,112.22, 1,652,771,166.39 and 676,257,815.58 is: 933,183,700.39
Step by Step Solution
- Step 1: Write the proportion equation
1,197,727,112.22 : 1,652,771,166.39 = 676,257,815.58 : x - Step 2: Convert to fraction form
1,197,727,112.22/1,652,771,166.39 = 676,257,815.58/x - Step 3: Cross multiply
1,197,727,112.22x = 1,652,771,166.39 × 676,257,815.58 - Step 4: Simplify right side
1,197,727,112.22x = 1,117,699,418,636,510,208 - Step 5: Solve for x
x = 1,117,699,418,636,510,208/1,197,727,112.22 - Step 6: Final answer
x = 933,183,700.39
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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.