Finding the Fourth Proportional to 1,138,425,232,987.60, 1,707,577,707,486.80 and 373,412,613,384.99
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Solution
The fourth proportional to 1,138,425,232,987.60, 1,707,577,707,486.80 and 373,412,613,384.99 is: 560,099,193,020.56
Step by Step Solution
- Step 1: Write the proportion equation
1,138,425,232,987.60 : 1,707,577,707,486.80 = 373,412,613,384.99 : x - Step 2: Convert to fraction form
1,138,425,232,987.60/1,707,577,707,486.80 = 373,412,613,384.99/x - Step 3: Cross multiply
1,138,425,232,987.60x = 1,707,577,707,486.80 × 373,412,613,384.99 - Step 4: Simplify right side
1,138,425,232,987.60x = 637,631,054,310,595,970,990,080 - Step 5: Solve for x
x = 637,631,054,310,595,970,990,080/1,138,425,232,987.60 - Step 6: Final answer
x = 560,099,193,020.56
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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.