Finding the Fourth Proportional to 2,322,076,330.72, 3,481,829,589.84 and 921,641,903.20
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Solution
The fourth proportional to 2,322,076,330.72, 3,481,829,589.84 and 921,641,903.20 is: 1,381,952,870.09
Step by Step Solution
- Step 1: Write the proportion equation
2,322,076,330.72 : 3,481,829,589.84 = 921,641,903.20 : x - Step 2: Convert to fraction form
2,322,076,330.72/3,481,829,589.84 = 921,641,903.20/x - Step 3: Cross multiply
2,322,076,330.72x = 3,481,829,589.84 × 921,641,903.20 - Step 4: Simplify right side
2,322,076,330.72x = 3,209,000,049,804,050,432 - Step 5: Solve for x
x = 3,209,000,049,804,050,432/2,322,076,330.72 - Step 6: Final answer
x = 1,381,952,870.09
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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.