Finding the Fourth Proportional to 431,796,553.60, 647,694,830.40 and 354,312,455.80
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Solution
The fourth proportional to 431,796,553.60, 647,694,830.40 and 354,312,455.80 is: 531,468,683.70
Step by Step Solution
- Step 1: Write the proportion equation
431,796,553.60 : 647,694,830.40 = 354,312,455.80 : x - Step 2: Convert to fraction form
431,796,553.60/647,694,830.40 = 354,312,455.80/x - Step 3: Cross multiply
431,796,553.60x = 647,694,830.40 × 354,312,455.80 - Step 4: Simplify right side
431,796,553.60x = 229,486,345,967,988,480 - Step 5: Solve for x
x = 229,486,345,967,988,480/431,796,553.60 - Step 6: Final answer
x = 531,468,683.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.