Finding the Fourth Proportional to 498,230,368.20, 747,345,552.30 and 290,755,801.80
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Solution
The fourth proportional to 498,230,368.20, 747,345,552.30 and 290,755,801.80 is: 436,133,702.70
Step by Step Solution
- Step 1: Write the proportion equation
498,230,368.20 : 747,345,552.30 = 290,755,801.80 : x - Step 2: Convert to fraction form
498,230,368.20/747,345,552.30 = 290,755,801.80/x - Step 3: Cross multiply
498,230,368.20x = 747,345,552.30 × 290,755,801.80 - Step 4: Simplify right side
498,230,368.20x = 217,295,055,280,650,336 - Step 5: Solve for x
x = 217,295,055,280,650,336/498,230,368.20 - Step 6: Final answer
x = 436,133,702.70
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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.