Finding the Fourth Proportional to 739,017,699.09, 1,108,908,677.69 and 324,785,175.11
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Solution
The fourth proportional to 739,017,699.09, 1,108,908,677.69 and 324,785,175.11 is: 487,345,701.60
Step by Step Solution
- Step 1: Write the proportion equation
739,017,699.09 : 1,108,908,677.69 = 324,785,175.11 : x - Step 2: Convert to fraction form
739,017,699.09/1,108,908,677.69 = 324,785,175.11/x - Step 3: Cross multiply
739,017,699.09x = 1,108,908,677.69 × 324,785,175.11 - Step 4: Simplify right side
739,017,699.09x = 360,157,099,057,376,704 - Step 5: Solve for x
x = 360,157,099,057,376,704/739,017,699.09 - Step 6: Final answer
x = 487,345,701.60
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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.