Finding the Fourth Proportional to 299,230,466.70, 448,467,786.45 and 145,545,602.70
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Solution
The fourth proportional to 299,230,466.70, 448,467,786.45 and 145,545,602.70 is: 218,134,587.00
Step by Step Solution
- Step 1: Write the proportion equation
299,230,466.70 : 448,467,786.45 = 145,545,602.70 : x - Step 2: Convert to fraction form
299,230,466.70/448,467,786.45 = 145,545,602.70/x - Step 3: Cross multiply
299,230,466.70x = 448,467,786.45 × 145,545,602.70 - Step 4: Simplify right side
299,230,466.70x = 65,272,514,270,400,136 - Step 5: Solve for x
x = 65,272,514,270,400,136/299,230,466.70 - Step 6: Final answer
x = 218,134,587.00
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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.