Finding the Fourth Proportional to 560,803,147.20, 773,950,235.04 and 322,721,311.68
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Solution
The fourth proportional to 560,803,147.20, 773,950,235.04 and 322,721,311.68 is: 445,379,517.35
Step by Step Solution
- Step 1: Write the proportion equation
560,803,147.20 : 773,950,235.04 = 322,721,311.68 : x - Step 2: Convert to fraction form
560,803,147.20/773,950,235.04 = 322,721,311.68/x - Step 3: Cross multiply
560,803,147.20x = 773,950,235.04 × 322,721,311.68 - Step 4: Simplify right side
560,803,147.20x = 249,770,235,027,153,088 - Step 5: Solve for x
x = 249,770,235,027,153,088/560,803,147.20 - Step 6: Final answer
x = 445,379,517.35
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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.