Finding the Fourth Proportional to 670,444,832.68, 925,294,414.36 and 406,119,070.06
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Solution
The fourth proportional to 670,444,832.68, 925,294,414.36 and 406,119,070.06 is: 560,493,106.63
Step by Step Solution
- Step 1: Write the proportion equation
670,444,832.68 : 925,294,414.36 = 406,119,070.06 : x - Step 2: Convert to fraction form
670,444,832.68/925,294,414.36 = 406,119,070.06/x - Step 3: Cross multiply
670,444,832.68x = 925,294,414.36 × 406,119,070.06 - Step 4: Simplify right side
670,444,832.68x = 375,779,707,091,595,520 - Step 5: Solve for x
x = 375,779,707,091,595,520/670,444,832.68 - Step 6: Final answer
x = 560,493,106.63
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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.