Finding the Fourth Proportional to 1,079,695,537.23, 1,489,985,351.13 and 603,393,855.65
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Solution
The fourth proportional to 1,079,695,537.23, 1,489,985,351.13 and 603,393,855.65 is: 832,686,599.95
Step by Step Solution
- Step 1: Write the proportion equation
1,079,695,537.23 : 1,489,985,351.13 = 603,393,855.65 : x - Step 2: Convert to fraction form
1,079,695,537.23/1,489,985,351.13 = 603,393,855.65/x - Step 3: Cross multiply
1,079,695,537.23x = 1,489,985,351.13 × 603,393,855.65 - Step 4: Simplify right side
1,079,695,537.23x = 899,048,005,880,668,160 - Step 5: Solve for x
x = 899,048,005,880,668,160/1,079,695,537.23 - Step 6: Final answer
x = 832,686,599.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.