Finding the Fourth Proportional to 76,784,432,056.88, 115,146,871,293 and 26,410,287,579.44
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Solution
The fourth proportional to 76,784,432,056.88, 115,146,871,293 and 26,410,287,579.44 is: 39,605,189,532.02
Step by Step Solution
- Step 1: Write the proportion equation
76,784,432,056.88 : 115,146,871,293 = 26,410,287,579.44 : x - Step 2: Convert to fraction form
76,784,432,056.88/115,146,871,293 = 26,410,287,579.44/x - Step 3: Cross multiply
76,784,432,056.88x = 115,146,871,293 × 26,410,287,579.44 - Step 4: Simplify right side
76,784,432,056.88x = 3,041,061,984,720,894,033,920 - Step 5: Solve for x
x = 3,041,061,984,720,894,033,920/76,784,432,056.88 - Step 6: Final answer
x = 39,605,189,532.02
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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.