Finding the Fourth Proportional to 447,868,984.76, 616,652,649.96 and 380,755,883.96
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Solution
The fourth proportional to 447,868,984.76, 616,652,649.96 and 380,755,883.96 is: 524,247,342.02
Step by Step Solution
- Step 1: Write the proportion equation
447,868,984.76 : 616,652,649.96 = 380,755,883.96 : x - Step 2: Convert to fraction form
447,868,984.76/616,652,649.96 = 380,755,883.96/x - Step 3: Cross multiply
447,868,984.76x = 616,652,649.96 × 380,755,883.96 - Step 4: Simplify right side
447,868,984.76x = 234,794,124,831,796,256 - Step 5: Solve for x
x = 234,794,124,831,796,256/447,868,984.76 - Step 6: Final answer
x = 524,247,342.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.