Finding the Fourth Proportional to 675,153,274.68, 1,012,911,709.16 and 347,450,220.36
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Solution
The fourth proportional to 675,153,274.68, 1,012,911,709.16 and 347,450,220.36 is: 521,268,887.75
Step by Step Solution
- Step 1: Write the proportion equation
675,153,274.68 : 1,012,911,709.16 = 347,450,220.36 : x - Step 2: Convert to fraction form
675,153,274.68/1,012,911,709.16 = 347,450,220.36/x - Step 3: Cross multiply
675,153,274.68x = 1,012,911,709.16 × 347,450,220.36 - Step 4: Simplify right side
675,153,274.68x = 351,936,396,553,734,848 - Step 5: Solve for x
x = 351,936,396,553,734,848/675,153,274.68 - Step 6: Final answer
x = 521,268,887.75
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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.