Finding the Fourth Proportional to 783,453,871.43, 1,081,166,306.06 and 431,022,295.36
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Solution
The fourth proportional to 783,453,871.43, 1,081,166,306.06 and 431,022,295.36 is: 594,810,747.50
Step by Step Solution
- Step 1: Write the proportion equation
783,453,871.43 : 1,081,166,306.06 = 431,022,295.36 : x - Step 2: Convert to fraction form
783,453,871.43/1,081,166,306.06 = 431,022,295.36/x - Step 3: Cross multiply
783,453,871.43x = 1,081,166,306.06 × 431,022,295.36 - Step 4: Simplify right side
783,453,871.43x = 466,006,782,897,758,656 - Step 5: Solve for x
x = 466,006,782,897,758,656/783,453,871.43 - Step 6: Final answer
x = 594,810,747.50
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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.