Finding the Fourth Proportional to 758,931,340.65, 1,047,328,062.47 and 441,467,760.18
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Solution
The fourth proportional to 758,931,340.65, 1,047,328,062.47 and 441,467,760.18 is: 609,227,144.99
Step by Step Solution
- Step 1: Write the proportion equation
758,931,340.65 : 1,047,328,062.47 = 441,467,760.18 : x - Step 2: Convert to fraction form
758,931,340.65/1,047,328,062.47 = 441,467,760.18/x - Step 3: Cross multiply
758,931,340.65x = 1,047,328,062.47 × 441,467,760.18 - Step 4: Simplify right side
758,931,340.65x = 462,361,573,910,082,688 - Step 5: Solve for x
x = 462,361,573,910,082,688/758,931,340.65 - Step 6: Final answer
x = 609,227,144.99
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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.