Finding the Fourth Proportional to 302,798,163.18, 417,939,212.40 and 197,214,683
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Solution
The fourth proportional to 302,798,163.18, 417,939,212.40 and 197,214,683 is: 272,206,899.87
Step by Step Solution
- Step 1: Write the proportion equation
302,798,163.18 : 417,939,212.40 = 197,214,683 : x - Step 2: Convert to fraction form
302,798,163.18/417,939,212.40 = 197,214,683/x - Step 3: Cross multiply
302,798,163.18x = 417,939,212.40 × 197,214,683 - Step 4: Simplify right side
302,798,163.18x = 82,423,749,286,735,664 - Step 5: Solve for x
x = 82,423,749,286,735,664/302,798,163.18 - Step 6: Final answer
x = 272,206,899.87
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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.