Finding the Fourth Proportional to 1,634,324,419.31, 2,451,470,473.70 and 748,758,585.99
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Solution
The fourth proportional to 1,634,324,419.31, 2,451,470,473.70 and 748,758,585.99 is: 1,123,130,477.52
Step by Step Solution
- Step 1: Write the proportion equation
1,634,324,419.31 : 2,451,470,473.70 = 748,758,585.99 : x - Step 2: Convert to fraction form
1,634,324,419.31/2,451,470,473.70 = 748,758,585.99/x - Step 3: Cross multiply
1,634,324,419.31x = 2,451,470,473.70 × 748,758,585.99 - Step 4: Simplify right side
1,634,324,419.31x = 1,835,559,565,480,103,936 - Step 5: Solve for x
x = 1,835,559,565,480,103,936/1,634,324,419.31 - Step 6: Final answer
x = 1,123,130,477.52
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.