Finding the Fourth Proportional to 265,733,104.80, 398,599,657.20 and 197,708,656.80
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Solution
The fourth proportional to 265,733,104.80, 398,599,657.20 and 197,708,656.80 is: 296,562,985.20
Step by Step Solution
- Step 1: Write the proportion equation
265,733,104.80 : 398,599,657.20 = 197,708,656.80 : x - Step 2: Convert to fraction form
265,733,104.80/398,599,657.20 = 197,708,656.80/x - Step 3: Cross multiply
265,733,104.80x = 398,599,657.20 × 197,708,656.80 - Step 4: Simplify right side
265,733,104.80x = 78,806,602,825,952,448 - Step 5: Solve for x
x = 78,806,602,825,952,448/265,733,104.80 - Step 6: Final answer
x = 296,562,985.20
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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.