Finding the Fourth Proportional to 1,324,068,055.13, 1,827,343,110.47 and 988,959,421.19
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Solution
The fourth proportional to 1,324,068,055.13, 1,827,343,110.47 and 988,959,421.19 is: 1,364,860,497.80
Step by Step Solution
- Step 1: Write the proportion equation
1,324,068,055.13 : 1,827,343,110.47 = 988,959,421.19 : x - Step 2: Convert to fraction form
1,324,068,055.13/1,827,343,110.47 = 988,959,421.19/x - Step 3: Cross multiply
1,324,068,055.13x = 1,827,343,110.47 × 988,959,421.19 - Step 4: Simplify right side
1,324,068,055.13x = 1,807,168,184,845,568,768 - Step 5: Solve for x
x = 1,807,168,184,845,568,768/1,324,068,055.13 - Step 6: Final answer
x = 1,364,860,497.80
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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.