Finding the Fourth Proportional to 416,563,915.48, 574,836,232.68 and 237,912,681.70
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Solution
The fourth proportional to 416,563,915.48, 574,836,232.68 and 237,912,681.70 is: 328,306,952.60
Step by Step Solution
- Step 1: Write the proportion equation
416,563,915.48 : 574,836,232.68 = 237,912,681.70 : x - Step 2: Convert to fraction form
416,563,915.48/574,836,232.68 = 237,912,681.70/x - Step 3: Cross multiply
416,563,915.48x = 574,836,232.68 × 237,912,681.70 - Step 4: Simplify right side
416,563,915.48x = 136,760,829,655,223,952 - Step 5: Solve for x
x = 136,760,829,655,223,952/416,563,915.48 - Step 6: Final answer
x = 328,306,952.60
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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.