Finding the Fourth Proportional to 1,432,643,112.80, 2,149,403,239.28 and 733,630,176.06
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Solution
The fourth proportional to 1,432,643,112.80, 2,149,403,239.28 and 733,630,176.06 is: 1,100,669,847.76
Step by Step Solution
- Step 1: Write the proportion equation
1,432,643,112.80 : 2,149,403,239.28 = 733,630,176.06 : x - Step 2: Convert to fraction form
1,432,643,112.80/2,149,403,239.28 = 733,630,176.06/x - Step 3: Cross multiply
1,432,643,112.80x = 2,149,403,239.28 × 733,630,176.06 - Step 4: Simplify right side
1,432,643,112.80x = 1,576,867,076,856,920,832 - Step 5: Solve for x
x = 1,576,867,076,856,920,832/1,432,643,112.80 - Step 6: Final answer
x = 1,100,669,847.76
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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.