Finding the Fourth Proportional to 1,052,164,928.70, 1,578,247,393.05 and 286,260,032.70
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Solution
The fourth proportional to 1,052,164,928.70, 1,578,247,393.05 and 286,260,032.70 is: 429,390,049.05
Step by Step Solution
- Step 1: Write the proportion equation
1,052,164,928.70 : 1,578,247,393.05 = 286,260,032.70 : x - Step 2: Convert to fraction form
1,052,164,928.70/1,578,247,393.05 = 286,260,032.70/x - Step 3: Cross multiply
1,052,164,928.70x = 1,578,247,393.05 × 286,260,032.70 - Step 4: Simplify right side
1,052,164,928.70x = 451,789,150,343,182,720 - Step 5: Solve for x
x = 451,789,150,343,182,720/1,052,164,928.70 - Step 6: Final answer
x = 429,390,049.05
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Similar ratio
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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.