Finding the Fourth Proportional to 77,299,411,794.40, 115,949,117,691.60 and 40,107,044,850.40
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Solution
The fourth proportional to 77,299,411,794.40, 115,949,117,691.60 and 40,107,044,850.40 is: 60,160,567,275.60
Step by Step Solution
- Step 1: Write the proportion equation
77,299,411,794.40 : 115,949,117,691.60 = 40,107,044,850.40 : x - Step 2: Convert to fraction form
77,299,411,794.40/115,949,117,691.60 = 40,107,044,850.40/x - Step 3: Cross multiply
77,299,411,794.40x = 115,949,117,691.60 × 40,107,044,850.40 - Step 4: Simplify right side
77,299,411,794.40x = 4,650,376,463,621,309,857,792 - Step 5: Solve for x
x = 4,650,376,463,621,309,857,792/77,299,411,794.40 - Step 6: Final answer
x = 60,160,567,275.60
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1.5x scale
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.