Finding the Fourth Proportional to 265,718,657.80, 398,577,986.70 and 238,844,801.80
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Solution
The fourth proportional to 265,718,657.80, 398,577,986.70 and 238,844,801.80 is: 358,267,202.70
Step by Step Solution
- Step 1: Write the proportion equation
265,718,657.80 : 398,577,986.70 = 238,844,801.80 : x - Step 2: Convert to fraction form
265,718,657.80/398,577,986.70 = 238,844,801.80/x - Step 3: Cross multiply
265,718,657.80x = 398,577,986.70 × 238,844,801.80 - Step 4: Simplify right side
265,718,657.80x = 95,198,280,235,204,544 - Step 5: Solve for x
x = 95,198,280,235,204,544/265,718,657.80 - Step 6: Final answer
x = 358,267,202.70
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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.