Finding the Fourth Proportional to 1,751,851,891.30, 2,417,570,686.29 and 999,203,190.53
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Solution
The fourth proportional to 1,751,851,891.30, 2,417,570,686.29 and 999,203,190.53 is: 1,378,909,002.00
Step by Step Solution
- Step 1: Write the proportion equation
1,751,851,891.30 : 2,417,570,686.29 = 999,203,190.53 : x - Step 2: Convert to fraction form
1,751,851,891.30/2,417,570,686.29 = 999,203,190.53/x - Step 3: Cross multiply
1,751,851,891.30x = 2,417,570,686.29 × 999,203,190.53 - Step 4: Simplify right side
1,751,851,891.30x = 2,415,644,343,073,444,864 - Step 5: Solve for x
x = 2,415,644,343,073,444,864/1,751,851,891.30 - Step 6: Final answer
x = 1,378,909,002.00
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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.