Finding the Fourth Proportional to 648,567,630.18, 972,650,238.84 and 233,990,554.68
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Solution
The fourth proportional to 648,567,630.18, 972,650,238.84 and 233,990,554.68 is: 350,913,240.66
Step by Step Solution
- Step 1: Write the proportion equation
648,567,630.18 : 972,650,238.84 = 233,990,554.68 : x - Step 2: Convert to fraction form
648,567,630.18/972,650,238.84 = 233,990,554.68/x - Step 3: Cross multiply
648,567,630.18x = 972,650,238.84 × 233,990,554.68 - Step 4: Simplify right side
648,567,630.18x = 227,590,968,895,806,080 - Step 5: Solve for x
x = 227,590,968,895,806,080/648,567,630.18 - Step 6: Final answer
x = 350,913,240.66
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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.