Finding the Fourth Proportional to 675,153,270.37, 1,012,911,702.66 and 347,450,216.05
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Solution
The fourth proportional to 675,153,270.37, 1,012,911,702.66 and 347,450,216.05 is: 521,268,881.26
Step by Step Solution
- Step 1: Write the proportion equation
675,153,270.37 : 1,012,911,702.66 = 347,450,216.05 : x - Step 2: Convert to fraction form
675,153,270.37/1,012,911,702.66 = 347,450,216.05/x - Step 3: Cross multiply
675,153,270.37x = 1,012,911,702.66 × 347,450,216.05 - Step 4: Simplify right side
675,153,270.37x = 351,936,389,926,258,112 - Step 5: Solve for x
x = 351,936,389,926,258,112/675,153,270.37 - Step 6: Final answer
x = 521,268,881.26
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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.