Finding the Fourth Proportional to 648,567,634.18, 972,650,244.84 and 233,990,558.68
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Solution
The fourth proportional to 648,567,634.18, 972,650,244.84 and 233,990,558.68 is: 350,913,246.66
Step by Step Solution
- Step 1: Write the proportion equation
648,567,634.18 : 972,650,244.84 = 233,990,558.68 : x - Step 2: Convert to fraction form
648,567,634.18/972,650,244.84 = 233,990,558.68/x - Step 3: Cross multiply
648,567,634.18x = 972,650,244.84 × 233,990,558.68 - Step 4: Simplify right side
648,567,634.18x = 227,590,974,190,350,400 - Step 5: Solve for x
x = 227,590,974,190,350,400/648,567,634.18 - Step 6: Final answer
x = 350,913,246.66
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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.