Finding the Fourth Proportional to 489,771,541.44, 675,884,739.51 and 269,754,967.44
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Solution
The fourth proportional to 489,771,541.44, 675,884,739.51 and 269,754,967.44 is: 372,261,861.85
Step by Step Solution
- Step 1: Write the proportion equation
489,771,541.44 : 675,884,739.51 = 269,754,967.44 : x - Step 2: Convert to fraction form
489,771,541.44/675,884,739.51 = 269,754,967.44/x - Step 3: Cross multiply
489,771,541.44x = 675,884,739.51 × 269,754,967.44 - Step 4: Simplify right side
489,771,541.44x = 182,323,265,899,712,928 - Step 5: Solve for x
x = 182,323,265,899,712,928/489,771,541.44 - Step 6: Final answer
x = 372,261,861.85
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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.