Finding the Fourth Proportional to 1,225,743,246.37, 1,838,602,752.97 and 561,568,871.08
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Solution
The fourth proportional to 1,225,743,246.37, 1,838,602,752.97 and 561,568,871.08 is: 842,347,755.45
Step by Step Solution
- Step 1: Write the proportion equation
1,225,743,246.37 : 1,838,602,752.97 = 561,568,871.08 : x - Step 2: Convert to fraction form
1,225,743,246.37/1,838,602,752.97 = 561,568,871.08/x - Step 3: Cross multiply
1,225,743,246.37x = 1,838,602,752.97 × 561,568,871.08 - Step 4: Simplify right side
1,225,743,246.37x = 1,032,502,072,341,589,632 - Step 5: Solve for x
x = 1,032,502,072,341,589,632/1,225,743,246.37 - Step 6: Final answer
x = 842,347,755.45
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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.