Finding the Fourth Proportional to 451,343,149.30, 677,014,723.95 and 193,062,823.30
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Solution
The fourth proportional to 451,343,149.30, 677,014,723.95 and 193,062,823.30 is: 289,594,234.95
Step by Step Solution
- Step 1: Write the proportion equation
451,343,149.30 : 677,014,723.95 = 193,062,823.30 : x - Step 2: Convert to fraction form
451,343,149.30/677,014,723.95 = 193,062,823.30/x - Step 3: Cross multiply
451,343,149.30x = 677,014,723.95 × 193,062,823.30 - Step 4: Simplify right side
451,343,149.30x = 130,706,374,021,457,152 - Step 5: Solve for x
x = 130,706,374,021,457,152/451,343,149.30 - Step 6: Final answer
x = 289,594,234.95
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1.5x scale
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.