Finding the Fourth Proportional to 739,017,729.84, 1,108,908,723.84 and 324,785,205.84
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Solution
The fourth proportional to 739,017,729.84, 1,108,908,723.84 and 324,785,205.84 is: 487,345,747.72
Step by Step Solution
- Step 1: Write the proportion equation
739,017,729.84 : 1,108,908,723.84 = 324,785,205.84 : x - Step 2: Convert to fraction form
739,017,729.84/1,108,908,723.84 = 324,785,205.84/x - Step 3: Cross multiply
739,017,729.84x = 1,108,908,723.84 × 324,785,205.84 - Step 4: Simplify right side
739,017,729.84x = 360,157,148,130,146,048 - Step 5: Solve for x
x = 360,157,148,130,146,048/739,017,729.84 - Step 6: Final answer
x = 487,345,747.72
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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.