Finding the Fourth Proportional to 265,553,344.80, 398,581,959.60 and 163,516,672.80
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Solution
The fourth proportional to 265,553,344.80, 398,581,959.60 and 163,516,672.80 is: 245,430,144.82
Step by Step Solution
- Step 1: Write the proportion equation
265,553,344.80 : 398,581,959.60 = 163,516,672.80 : x - Step 2: Convert to fraction form
265,553,344.80/398,581,959.60 = 163,516,672.80/x - Step 3: Cross multiply
265,553,344.80x = 398,581,959.60 × 163,516,672.80 - Step 4: Simplify right side
265,553,344.80x = 65,174,795,871,896,024 - Step 5: Solve for x
x = 65,174,795,871,896,024/265,553,344.80 - Step 6: Final answer
x = 245,430,144.82
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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.