Finding the Fourth Proportional to 455,253,796.44, 628,252,130.75 and 246,409,938.81
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Solution
The fourth proportional to 455,253,796.44, 628,252,130.75 and 246,409,938.81 is: 340,046,739.43
Step by Step Solution
- Step 1: Write the proportion equation
455,253,796.44 : 628,252,130.75 = 246,409,938.81 : x - Step 2: Convert to fraction form
455,253,796.44/628,252,130.75 = 246,409,938.81/x - Step 3: Cross multiply
455,253,796.44x = 628,252,130.75 × 246,409,938.81 - Step 4: Simplify right side
455,253,796.44x = 154,807,569,094,127,584 - Step 5: Solve for x
x = 154,807,569,094,127,584/455,253,796.44 - Step 6: Final answer
x = 340,046,739.43
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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.