Finding the Fourth Proportional to 1,941,510,747.70, 2,912,266,121.55 and 715,559,029.30
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Solution
The fourth proportional to 1,941,510,747.70, 2,912,266,121.55 and 715,559,029.30 is: 1,073,338,543.95
Step by Step Solution
- Step 1: Write the proportion equation
1,941,510,747.70 : 2,912,266,121.55 = 715,559,029.30 : x - Step 2: Convert to fraction form
1,941,510,747.70/2,912,266,121.55 = 715,559,029.30/x - Step 3: Cross multiply
1,941,510,747.70x = 2,912,266,121.55 × 715,559,029.30 - Step 4: Simplify right side
1,941,510,747.70x = 2,083,898,318,999,593,728 - Step 5: Solve for x
x = 2,083,898,318,999,593,728/1,941,510,747.70 - Step 6: Final answer
x = 1,073,338,543.95
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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.