Finding the Fourth Proportional to 507,434,121.60, 761,235,163.20 and 216,440,649.60
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Solution
The fourth proportional to 507,434,121.60, 761,235,163.20 and 216,440,649.60 is: 324,696,795.52
Step by Step Solution
- Step 1: Write the proportion equation
507,434,121.60 : 761,235,163.20 = 216,440,649.60 : x - Step 2: Convert to fraction form
507,434,121.60/761,235,163.20 = 216,440,649.60/x - Step 3: Cross multiply
507,434,121.60x = 761,235,163.20 × 216,440,649.60 - Step 4: Simplify right side
507,434,121.60x = 164,762,233,221,370,016 - Step 5: Solve for x
x = 164,762,233,221,370,016/507,434,121.60 - Step 6: Final answer
x = 324,696,795.52
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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.