Finding the Fourth Proportional to 2,825,266,895.34, 3,898,837,373.49 and 1,555,080,722.39
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Solution
The fourth proportional to 2,825,266,895.34, 3,898,837,373.49 and 1,555,080,722.39 is: 2,145,994,365.79
Step by Step Solution
- Step 1: Write the proportion equation
2,825,266,895.34 : 3,898,837,373.49 = 1,555,080,722.39 : x - Step 2: Convert to fraction form
2,825,266,895.34/3,898,837,373.49 = 1,555,080,722.39/x - Step 3: Cross multiply
2,825,266,895.34x = 3,898,837,373.49 × 1,555,080,722.39 - Step 4: Simplify right side
2,825,266,895.34x = 6,063,006,839,247,959,040 - Step 5: Solve for x
x = 6,063,006,839,247,959,040/2,825,266,895.34 - Step 6: Final answer
x = 2,145,994,365.79
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.