Finding the Fourth Proportional to 1,769,905,804.44, 2,442,470,249.27 and 976,951,933.20
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Solution
The fourth proportional to 1,769,905,804.44, 2,442,470,249.27 and 976,951,933.20 is: 1,348,193,799.82
Step by Step Solution
- Step 1: Write the proportion equation
1,769,905,804.44 : 2,442,470,249.27 = 976,951,933.20 : x - Step 2: Convert to fraction form
1,769,905,804.44/2,442,470,249.27 = 976,951,933.20/x - Step 3: Cross multiply
1,769,905,804.44x = 2,442,470,249.27 × 976,951,933.20 - Step 4: Simplify right side
1,769,905,804.44x = 2,386,176,031,814,065,152 - Step 5: Solve for x
x = 2,386,176,031,814,065,152/1,769,905,804.44 - Step 6: Final answer
x = 1,348,193,799.82
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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.