Finding the Fourth Proportional to 651,780,861.64, 899,430,220.04 and 369,542,294.44
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Solution
The fourth proportional to 651,780,861.64, 899,430,220.04 and 369,542,294.44 is: 509,952,848.82
Step by Step Solution
- Step 1: Write the proportion equation
651,780,861.64 : 899,430,220.04 = 369,542,294.44 : x - Step 2: Convert to fraction form
651,780,861.64/899,430,220.04 = 369,542,294.44/x - Step 3: Cross multiply
651,780,861.64x = 899,430,220.04 × 369,542,294.44 - Step 4: Simplify right side
651,780,861.64x = 332,377,507,202,255,680 - Step 5: Solve for x
x = 332,377,507,202,255,680/651,780,861.64 - Step 6: Final answer
x = 509,952,848.82
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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.