Finding the Fourth Proportional to 6,278,912,303.11, 9,419,747,531.94 and 1,856,986,985.05
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Solution
The fourth proportional to 6,278,912,303.11, 9,419,747,531.94 and 1,856,986,985.05 is: 2,785,888,339.38
Step by Step Solution
- Step 1: Write the proportion equation
6,278,912,303.11 : 9,419,747,531.94 = 1,856,986,985.05 : x - Step 2: Convert to fraction form
6,278,912,303.11/9,419,747,531.94 = 1,856,986,985.05/x - Step 3: Cross multiply
6,278,912,303.11x = 9,419,747,531.94 × 1,856,986,985.05 - Step 4: Simplify right side
6,278,912,303.11x = 17,492,348,569,245,890,560 - Step 5: Solve for x
x = 17,492,348,569,245,890,560/6,278,912,303.11 - Step 6: Final answer
x = 2,785,888,339.38
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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.