Finding the Fourth Proportional to 903,647,379.96, 1,349,385,894.45 and 737,979,531.75
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Solution
The fourth proportional to 903,647,379.96, 1,349,385,894.45 and 737,979,531.75 is: 1,101,999,732.00
Step by Step Solution
- Step 1: Write the proportion equation
903,647,379.96 : 1,349,385,894.45 = 737,979,531.75 : x - Step 2: Convert to fraction form
903,647,379.96/1,349,385,894.45 = 737,979,531.75/x - Step 3: Cross multiply
903,647,379.96x = 1,349,385,894.45 × 737,979,531.75 - Step 4: Simplify right side
903,647,379.96x = 995,819,170,536,265,984 - Step 5: Solve for x
x = 995,819,170,536,265,984/903,647,379.96 - Step 6: Final answer
x = 1,101,999,732.00
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.