Finding the Fourth Proportional to 1,026,079,192.44, 1,415,951,350.60 and 556,170,424.32
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Solution
The fourth proportional to 1,026,079,192.44, 1,415,951,350.60 and 556,170,424.32 is: 767,494,623.50
Step by Step Solution
- Step 1: Write the proportion equation
1,026,079,192.44 : 1,415,951,350.60 = 556,170,424.32 : x - Step 2: Convert to fraction form
1,026,079,192.44/1,415,951,350.60 = 556,170,424.32/x - Step 3: Cross multiply
1,026,079,192.44x = 1,415,951,350.60 × 556,170,424.32 - Step 4: Simplify right side
1,026,079,192.44x = 787,510,263,479,679,104 - Step 5: Solve for x
x = 787,510,263,479,679,104/1,026,079,192.44 - Step 6: Final answer
x = 767,494,623.50
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1.5x scale
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.