Finding the Fourth Proportional to 489,275,372.70, 675,200,125.62 and 269,258,798.70
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Solution
The fourth proportional to 489,275,372.70, 675,200,125.62 and 269,258,798.70 is: 371,577,203.45
Step by Step Solution
- Step 1: Write the proportion equation
489,275,372.70 : 675,200,125.62 = 269,258,798.70 : x - Step 2: Convert to fraction form
489,275,372.70/675,200,125.62 = 269,258,798.70/x - Step 3: Cross multiply
489,275,372.70x = 675,200,125.62 × 269,258,798.70 - Step 4: Simplify right side
489,275,372.70x = 181,803,574,706,530,272 - Step 5: Solve for x
x = 181,803,574,706,530,272/489,275,372.70 - Step 6: Final answer
x = 371,577,203.45
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.