Finding the Fourth Proportional to 615,883,053.38, 849,709,361.48 and 351,375,026.18
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Solution
The fourth proportional to 615,883,053.38, 849,709,361.48 and 351,375,026.18 is: 484,778,153.08
Step by Step Solution
- Step 1: Write the proportion equation
615,883,053.38 : 849,709,361.48 = 351,375,026.18 : x - Step 2: Convert to fraction form
615,883,053.38/849,709,361.48 = 351,375,026.18/x - Step 3: Cross multiply
615,883,053.38x = 849,709,361.48 × 351,375,026.18 - Step 4: Simplify right side
615,883,053.38x = 298,566,649,129,420,672 - Step 5: Solve for x
x = 298,566,649,129,420,672/615,883,053.38 - Step 6: Final answer
x = 484,778,153.08
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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.