Finding the Fourth Proportional to 1,255,674,109.05, 1,732,816,519.16 and 691,146,920.99
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Solution
The fourth proportional to 1,255,674,109.05, 1,732,816,519.16 and 691,146,920.99 is: 953,775,181.97
Step by Step Solution
- Step 1: Write the proportion equation
1,255,674,109.05 : 1,732,816,519.16 = 691,146,920.99 : x - Step 2: Convert to fraction form
1,255,674,109.05/1,732,816,519.16 = 691,146,920.99/x - Step 3: Cross multiply
1,255,674,109.05x = 1,732,816,519.16 × 691,146,920.99 - Step 4: Simplify right side
1,255,674,109.05x = 1,197,630,801,858,919,424 - Step 5: Solve for x
x = 1,197,630,801,858,919,424/1,255,674,109.05 - Step 6: Final answer
x = 953,775,181.97
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.