Finding the Fourth Proportional to 665,696,834.70, 998,545,252.05 and 277,798,048.80
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Solution
The fourth proportional to 665,696,834.70, 998,545,252.05 and 277,798,048.80 is: 416,697,073.20
Step by Step Solution
- Step 1: Write the proportion equation
665,696,834.70 : 998,545,252.05 = 277,798,048.80 : x - Step 2: Convert to fraction form
665,696,834.70/998,545,252.05 = 277,798,048.80/x - Step 3: Cross multiply
665,696,834.70x = 998,545,252.05 × 277,798,048.80 - Step 4: Simplify right side
665,696,834.70x = 277,393,922,657,994,208 - Step 5: Solve for x
x = 277,393,922,657,994,208/665,696,834.70 - Step 6: Final answer
x = 416,697,073.20
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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.