Finding the Fourth Proportional to 462,165,485.65, 637,853,770.52 and 286,010,213.47
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Solution
The fourth proportional to 462,165,485.65, 637,853,770.52 and 286,010,213.47 is: 394,734,567.45
Step by Step Solution
- Step 1: Write the proportion equation
462,165,485.65 : 637,853,770.52 = 286,010,213.47 : x - Step 2: Convert to fraction form
462,165,485.65/637,853,770.52 = 286,010,213.47/x - Step 3: Cross multiply
462,165,485.65x = 637,853,770.52 × 286,010,213.47 - Step 4: Simplify right side
462,165,485.65x = 182,432,693,069,069,600 - Step 5: Solve for x
x = 182,432,693,069,069,600/462,165,485.65 - Step 6: Final answer
x = 394,734,567.45
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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.