Finding the Fourth Proportional to 368,661,328.87, 508,760,133.56 and 201,408,423.06
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Solution
The fourth proportional to 368,661,328.87, 508,760,133.56 and 201,408,423.06 is: 277,947,721.10
Step by Step Solution
- Step 1: Write the proportion equation
368,661,328.87 : 508,760,133.56 = 201,408,423.06 : x - Step 2: Convert to fraction form
368,661,328.87/508,760,133.56 = 201,408,423.06/x - Step 3: Cross multiply
368,661,328.87x = 508,760,133.56 × 201,408,423.06 - Step 4: Simplify right side
368,661,328.87x = 102,468,576,216,114,592 - Step 5: Solve for x
x = 102,468,576,216,114,592/368,661,328.87 - Step 6: Final answer
x = 277,947,721.10
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.