Finding the Fourth Proportional to 489,771,544.44, 675,884,743.65 and 269,754,970.44
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Solution
The fourth proportional to 489,771,544.44, 675,884,743.65 and 269,754,970.44 is: 372,261,865.99
Step by Step Solution
- Step 1: Write the proportion equation
489,771,544.44 : 675,884,743.65 = 269,754,970.44 : x - Step 2: Convert to fraction form
489,771,544.44/675,884,743.65 = 269,754,970.44/x - Step 3: Cross multiply
489,771,544.44x = 675,884,743.65 × 269,754,970.44 - Step 4: Simplify right side
489,771,544.44x = 182,323,269,044,152,704 - Step 5: Solve for x
x = 182,323,269,044,152,704/489,771,544.44 - Step 6: Final answer
x = 372,261,865.99
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1.5x scale
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.