Finding the Fourth Proportional to 675,326,249.79, 931,979,351.52 and 373,911,559.68
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Solution
The fourth proportional to 675,326,249.79, 931,979,351.52 and 373,911,559.68 is: 516,014,079.16
Step by Step Solution
- Step 1: Write the proportion equation
675,326,249.79 : 931,979,351.52 = 373,911,559.68 : x - Step 2: Convert to fraction form
675,326,249.79/931,979,351.52 = 373,911,559.68/x - Step 3: Cross multiply
675,326,249.79x = 931,979,351.52 × 373,911,559.68 - Step 4: Simplify right side
675,326,249.79x = 348,477,852,916,398,208 - Step 5: Solve for x
x = 348,477,852,916,398,208/675,326,249.79 - Step 6: Final answer
x = 516,014,079.16
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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.