Finding the Fourth Proportional to 576,587,474.88, 864,992,487.12 and 188,305,920.48
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Solution
The fourth proportional to 576,587,474.88, 864,992,487.12 and 188,305,920.48 is: 282,495,221.61
Step by Step Solution
- Step 1: Write the proportion equation
576,587,474.88 : 864,992,487.12 = 188,305,920.48 : x - Step 2: Convert to fraction form
576,587,474.88/864,992,487.12 = 188,305,920.48/x - Step 3: Cross multiply
576,587,474.88x = 864,992,487.12 × 188,305,920.48 - Step 4: Simplify right side
576,587,474.88x = 162,883,206,495,416,128 - Step 5: Solve for x
x = 162,883,206,495,416,128/576,587,474.88 - Step 6: Final answer
x = 282,495,221.61
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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.