Finding the Fourth Proportional to 788,851,345.68, 1,088,606,785.68 and 436,429,858.68
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Solution
The fourth proportional to 788,851,345.68, 1,088,606,785.68 and 436,429,858.68 is: 602,268,739.52
Step by Step Solution
- Step 1: Write the proportion equation
788,851,345.68 : 1,088,606,785.68 = 436,429,858.68 : x - Step 2: Convert to fraction form
788,851,345.68/1,088,606,785.68 = 436,429,858.68/x - Step 3: Cross multiply
788,851,345.68x = 1,088,606,785.68 × 436,429,858.68 - Step 4: Simplify right side
788,851,345.68x = 475,100,505,632,411,456 - Step 5: Solve for x
x = 475,100,505,632,411,456/788,851,345.68 - Step 6: Final answer
x = 602,268,739.52
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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.