Finding the Fourth Proportional to 413,757,455.94, 571,530,325.79 and 306,683,840.37
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Solution
The fourth proportional to 413,757,455.94, 571,530,325.79 and 306,683,840.37 is: 423,627,689.82
Step by Step Solution
- Step 1: Write the proportion equation
413,757,455.94 : 571,530,325.79 = 306,683,840.37 : x - Step 2: Convert to fraction form
413,757,455.94/571,530,325.79 = 306,683,840.37/x - Step 3: Cross multiply
413,757,455.94x = 571,530,325.79 × 306,683,840.37 - Step 4: Simplify right side
413,757,455.94x = 175,279,115,202,031,520 - Step 5: Solve for x
x = 175,279,115,202,031,520/413,757,455.94 - Step 6: Final answer
x = 423,627,689.82
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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.