Finding the Fourth Proportional to 1,382,433,988.44, 2,073,652,978.43 and 564,546,289.44
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Solution
The fourth proportional to 1,382,433,988.44, 2,073,652,978.43 and 564,546,289.44 is: 846,820,249.18
Step by Step Solution
- Step 1: Write the proportion equation
1,382,433,988.44 : 2,073,652,978.43 = 564,546,289.44 : x - Step 2: Convert to fraction form
1,382,433,988.44/2,073,652,978.43 = 564,546,289.44/x - Step 3: Cross multiply
1,382,433,988.44x = 2,073,652,978.43 × 564,546,289.44 - Step 4: Simplify right side
1,382,433,988.44x = 1,170,673,094,558,861,056 - Step 5: Solve for x
x = 1,170,673,094,558,861,056/1,382,433,988.44 - Step 6: Final answer
x = 846,820,249.18
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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.