Finding the Fourth Proportional to 429,530,023.40, 644,177,446.99 and 118,563,300.99
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Solution
The fourth proportional to 429,530,023.40, 644,177,446.99 and 118,563,300.99 is: 177,812,493.61
Step by Step Solution
- Step 1: Write the proportion equation
429,530,023.40 : 644,177,446.99 = 118,563,300.99 : x - Step 2: Convert to fraction form
429,530,023.40/644,177,446.99 = 118,563,300.99/x - Step 3: Cross multiply
429,530,023.40x = 644,177,446.99 × 118,563,300.99 - Step 4: Simplify right side
429,530,023.40x = 76,375,804,538,148,720 - Step 5: Solve for x
x = 76,375,804,538,148,720/429,530,023.40 - Step 6: Final answer
x = 177,812,493.61
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.