Finding the Fourth Proportional to 302,798,158.11, 417,939,205.41 and 197,214,677.94
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Solution
The fourth proportional to 302,798,158.11, 417,939,205.41 and 197,214,677.94 is: 272,206,892.89
Step by Step Solution
- Step 1: Write the proportion equation
302,798,158.11 : 417,939,205.41 = 197,214,677.94 : x - Step 2: Convert to fraction form
302,798,158.11/417,939,205.41 = 197,214,677.94/x - Step 3: Cross multiply
302,798,158.11x = 417,939,205.41 × 197,214,677.94 - Step 4: Simplify right side
302,798,158.11x = 82,423,745,793,432,656 - Step 5: Solve for x
x = 82,423,745,793,432,656/302,798,158.11 - Step 6: Final answer
x = 272,206,892.89
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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.