Finding the Fourth Proportional to 1,823,143,601.64, 2,515,167,753.66 and 1,220,508,373.38
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Solution
The fourth proportional to 1,823,143,601.64, 2,515,167,753.66 and 1,220,508,373.38 is: 1,683,785,797.80
Step by Step Solution
- Step 1: Write the proportion equation
1,823,143,601.64 : 2,515,167,753.66 = 1,220,508,373.38 : x - Step 2: Convert to fraction form
1,823,143,601.64/2,515,167,753.66 = 1,220,508,373.38/x - Step 3: Cross multiply
1,823,143,601.64x = 2,515,167,753.66 × 1,220,508,373.38 - Step 4: Simplify right side
1,823,143,601.64x = 3,069,783,303,797,395,456 - Step 5: Solve for x
x = 3,069,783,303,797,395,456/1,823,143,601.64 - Step 6: Final answer
x = 1,683,785,797.80
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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.