Finding the Fourth Proportional to 395,672,856.24, 546,093,926.28 and 219,517,605.12
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Solution
The fourth proportional to 395,672,856.24, 546,093,926.28 and 219,517,605.12 is: 302,970,570.20
Step by Step Solution
- Step 1: Write the proportion equation
395,672,856.24 : 546,093,926.28 = 219,517,605.12 : x - Step 2: Convert to fraction form
395,672,856.24/546,093,926.28 = 219,517,605.12/x - Step 3: Cross multiply
395,672,856.24x = 546,093,926.28 × 219,517,605.12 - Step 4: Simplify right side
395,672,856.24x = 119,877,230,867,563,424 - Step 5: Solve for x
x = 119,877,230,867,563,424/395,672,856.24 - Step 6: Final answer
x = 302,970,570.20
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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.