Finding the Fourth Proportional to 429,530,023.90, 644,177,447.74 and 118,563,301.49
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Solution
The fourth proportional to 429,530,023.90, 644,177,447.74 and 118,563,301.49 is: 177,812,494.35
Step by Step Solution
- Step 1: Write the proportion equation
429,530,023.90 : 644,177,447.74 = 118,563,301.49 : x - Step 2: Convert to fraction form
429,530,023.90/644,177,447.74 = 118,563,301.49/x - Step 3: Cross multiply
429,530,023.90x = 644,177,447.74 × 118,563,301.49 - Step 4: Simplify right side
429,530,023.90x = 76,375,804,948,863,520 - Step 5: Solve for x
x = 76,375,804,948,863,520/429,530,023.90 - Step 6: Final answer
x = 177,812,494.35
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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.