Finding the Fourth Proportional to 462,511,356.08, 638,206,830.44 and 264,285,700.08
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Solution
The fourth proportional to 462,511,356.08, 638,206,830.44 and 264,285,700.08 is: 364,680,643.54
Step by Step Solution
- Step 1: Write the proportion equation
462,511,356.08 : 638,206,830.44 = 264,285,700.08 : x - Step 2: Convert to fraction form
462,511,356.08/638,206,830.44 = 264,285,700.08/x - Step 3: Cross multiply
462,511,356.08x = 638,206,830.44 × 264,285,700.08 - Step 4: Simplify right side
462,511,356.08x = 168,668,938,978,673,280 - Step 5: Solve for x
x = 168,668,938,978,673,280/462,511,356.08 - Step 6: Final answer
x = 364,680,643.54
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.