Finding the Fourth Proportional to 1,509,518,652.08, 2,083,131,472.92 and 849,468,923.60
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Solution
The fourth proportional to 1,509,518,652.08, 2,083,131,472.92 and 849,468,923.60 is: 1,172,264,713.38
Step by Step Solution
- Step 1: Write the proportion equation
1,509,518,652.08 : 2,083,131,472.92 = 849,468,923.60 : x - Step 2: Convert to fraction form
1,509,518,652.08/2,083,131,472.92 = 849,468,923.60/x - Step 3: Cross multiply
1,509,518,652.08x = 2,083,131,472.92 × 849,468,923.60 - Step 4: Simplify right side
1,509,518,652.08x = 1,769,555,450,018,635,008 - Step 5: Solve for x
x = 1,769,555,450,018,635,008/1,509,518,652.08 - Step 6: Final answer
x = 1,172,264,713.38
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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.