Finding the Fourth Proportional to 943,006,549.26, 1,291,925,247.17 and 907,661,946.54
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Solution
The fourth proportional to 943,006,549.26, 1,291,925,247.17 and 907,661,946.54 is: 1,243,502,906.26
Step by Step Solution
- Step 1: Write the proportion equation
943,006,549.26 : 1,291,925,247.17 = 907,661,946.54 : x - Step 2: Convert to fraction form
943,006,549.26/1,291,925,247.17 = 907,661,946.54/x - Step 3: Cross multiply
943,006,549.26x = 1,291,925,247.17 × 907,661,946.54 - Step 4: Simplify right side
943,006,549.26x = 1,172,631,384,630,492,928 - Step 5: Solve for x
x = 1,172,631,384,630,492,928/943,006,549.26 - Step 6: Final answer
x = 1,243,502,906.26
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.