Finding the Fourth Proportional to 411,036,649.20, 616,554,973.80 and 104,328,762.08
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Solution
The fourth proportional to 411,036,649.20, 616,554,973.80 and 104,328,762.08 is: 156,493,143.12
Step by Step Solution
- Step 1: Write the proportion equation
411,036,649.20 : 616,554,973.80 = 104,328,762.08 : x - Step 2: Convert to fraction form
411,036,649.20/616,554,973.80 = 104,328,762.08/x - Step 3: Cross multiply
411,036,649.20x = 616,554,973.80 × 104,328,762.08 - Step 4: Simplify right side
411,036,649.20x = 64,324,417,170,820,824 - Step 5: Solve for x
x = 64,324,417,170,820,824/411,036,649.20 - Step 6: Final answer
x = 156,493,143.12
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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.