Finding the Fourth Proportional to 2,566,439,708.10, 3,849,659,562.15 and 930,717,672.90
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Solution
The fourth proportional to 2,566,439,708.10, 3,849,659,562.15 and 930,717,672.90 is: 1,396,076,509.35
Step by Step Solution
- Step 1: Write the proportion equation
2,566,439,708.10 : 3,849,659,562.15 = 930,717,672.90 : x - Step 2: Convert to fraction form
2,566,439,708.10/3,849,659,562.15 = 930,717,672.90/x - Step 3: Cross multiply
2,566,439,708.10x = 3,849,659,562.15 × 930,717,672.90 - Step 4: Simplify right side
2,566,439,708.10x = 3,582,946,189,141,480,960 - Step 5: Solve for x
x = 3,582,946,189,141,480,960/2,566,439,708.10 - Step 6: Final answer
x = 1,396,076,509.35
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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.