Finding the Fourth Proportional to 1,890,276,233.24, 2,835,391,541.82 and 491,136,701.12
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Solution
The fourth proportional to 1,890,276,233.24, 2,835,391,541.82 and 491,136,701.12 is: 736,699,125.63
Step by Step Solution
- Step 1: Write the proportion equation
1,890,276,233.24 : 2,835,391,541.82 = 491,136,701.12 : x - Step 2: Convert to fraction form
1,890,276,233.24/2,835,391,541.82 = 491,136,701.12/x - Step 3: Cross multiply
1,890,276,233.24x = 2,835,391,541.82 × 491,136,701.12 - Step 4: Simplify right side
1,890,276,233.24x = 1,392,564,848,233,025,536 - Step 5: Solve for x
x = 1,392,564,848,233,025,536/1,890,276,233.24 - Step 6: Final answer
x = 736,699,125.63
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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.