Finding the Fourth Proportional to 410,454,378.73, 616,663,779.52 and 263,190,461.98
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Solution
The fourth proportional to 410,454,378.73, 616,663,779.52 and 263,190,461.98 is: 395,415,503.96
Step by Step Solution
- Step 1: Write the proportion equation
410,454,378.73 : 616,663,779.52 = 263,190,461.98 : x - Step 2: Convert to fraction form
410,454,378.73/616,663,779.52 = 263,190,461.98/x - Step 3: Cross multiply
410,454,378.73x = 616,663,779.52 × 263,190,461.98 - Step 4: Simplify right side
410,454,378.73x = 162,300,025,016,002,048 - Step 5: Solve for x
x = 162,300,025,016,002,048/410,454,378.73 - Step 6: Final answer
x = 395,415,503.96
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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.