Finding the Fourth Proportional to 886,233,783.08, 1,328,162,404.44 and 689,734,474.40
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Solution
The fourth proportional to 886,233,783.08, 1,328,162,404.44 and 689,734,474.40 is: 1,033,676,909.45
Step by Step Solution
- Step 1: Write the proportion equation
886,233,783.08 : 1,328,162,404.44 = 689,734,474.40 : x - Step 2: Convert to fraction form
886,233,783.08/1,328,162,404.44 = 689,734,474.40/x - Step 3: Cross multiply
886,233,783.08x = 1,328,162,404.44 × 689,734,474.40 - Step 4: Simplify right side
886,233,783.08x = 916,079,397,944,263,680 - Step 5: Solve for x
x = 916,079,397,944,263,680/886,233,783.08 - Step 6: Final answer
x = 1,033,676,909.45
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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.