Finding the Fourth Proportional to 298,446,503.19, 447,674,394.71 and 88,378,439.07
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Solution
The fourth proportional to 298,446,503.19, 447,674,394.71 and 88,378,439.07 is: 132,569,032.62
Step by Step Solution
- Step 1: Write the proportion equation
298,446,503.19 : 447,674,394.71 = 88,378,439.07 : x - Step 2: Convert to fraction form
298,446,503.19/447,674,394.71 = 88,378,439.07/x - Step 3: Cross multiply
298,446,503.19x = 447,674,394.71 × 88,378,439.07 - Step 4: Simplify right side
298,446,503.19x = 39,564,764,215,634,968 - Step 5: Solve for x
x = 39,564,764,215,634,968/298,446,503.19 - Step 6: Final answer
x = 132,569,032.62
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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.